diff --git a/cmd/delete.go b/cmd/delete.go
new file mode 100644
index 0000000..912741b
--- /dev/null
+++ b/cmd/delete.go
@@ -0,0 +1,294 @@
+// ABOUTME: CLI command for deleting EdgeConnect applications from YAML configuration
+// ABOUTME: Removes applications and their instances based on configuration file specification
+package cmd
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"os"
+	"path/filepath"
+	"strings"
+
+	deletev1 "edp.buildth.ing/DevFW-CICD/edge-connect-client/internal/delete/v1"
+	deletev2 "edp.buildth.ing/DevFW-CICD/edge-connect-client/internal/delete/v2"
+	"edp.buildth.ing/DevFW-CICD/edge-connect-client/internal/config"
+	"github.com/spf13/cobra"
+)
+
+var (
+	deleteConfigFile  string
+	deleteDryRun      bool
+	deleteAutoApprove bool
+)
+
+var deleteCmd = &cobra.Command{
+	Use:   "delete",
+	Short: "Delete EdgeConnect applications from configuration files",
+	Long: `Delete EdgeConnect applications and their instances based on YAML configuration files.
+This command reads a configuration file, finds matching resources, and deletes them.
+Instances are always deleted before the application.`,
+	Run: func(cmd *cobra.Command, args []string) {
+		if deleteConfigFile == "" {
+			fmt.Fprintf(os.Stderr, "Error: configuration file is required\n")
+			cmd.Usage()
+			os.Exit(1)
+		}
+
+		if err := runDelete(deleteConfigFile, deleteDryRun, deleteAutoApprove); err != nil {
+			fmt.Fprintf(os.Stderr, "Error: %v\n", err)
+			os.Exit(1)
+		}
+	},
+}
+
+func runDelete(configPath string, isDryRun bool, autoApprove bool) error {
+	// Step 1: Validate and resolve config file path
+	absPath, err := filepath.Abs(configPath)
+	if err != nil {
+		return fmt.Errorf("failed to resolve config file path: %w", err)
+	}
+
+	if _, err := os.Stat(absPath); os.IsNotExist(err) {
+		return fmt.Errorf("configuration file not found: %s", absPath)
+	}
+
+	fmt.Printf("📄 Loading configuration from: %s\n", absPath)
+
+	// Step 2: Parse and validate configuration
+	parser := config.NewParser()
+	cfg, _, err := parser.ParseFile(absPath)
+	if err != nil {
+		return fmt.Errorf("failed to parse configuration: %w", err)
+	}
+
+	if err := parser.Validate(cfg); err != nil {
+		return fmt.Errorf("configuration validation failed: %w", err)
+	}
+
+	fmt.Printf("✅ Configuration loaded successfully: %s\n", cfg.Metadata.Name)
+
+	// Step 3: Determine API version and create appropriate client
+	apiVersion := getAPIVersion()
+
+	// Step 4: Execute deletion based on API version
+	if apiVersion == "v1" {
+		return runDeleteV1(cfg, isDryRun, autoApprove)
+	}
+	return runDeleteV2(cfg, isDryRun, autoApprove)
+}
+
+func runDeleteV1(cfg *config.EdgeConnectConfig, isDryRun bool, autoApprove bool) error {
+	// Create v1 client
+	client := newSDKClientV1()
+
+	// Create deletion planner
+	planner := deletev1.NewPlanner(client)
+
+	// Generate deletion plan
+	fmt.Println("🔍 Analyzing current state and generating deletion plan...")
+
+	planOptions := deletev1.DefaultPlanOptions()
+	planOptions.DryRun = isDryRun
+
+	result, err := planner.PlanWithOptions(context.Background(), cfg, planOptions)
+	if err != nil {
+		return fmt.Errorf("failed to generate deletion plan: %w", err)
+	}
+
+	// Display plan summary
+	fmt.Println("\n📋 Deletion Plan:")
+	fmt.Println(strings.Repeat("=", 50))
+	fmt.Println(result.Plan.Summary)
+	fmt.Println(strings.Repeat("=", 50))
+
+	// Display warnings if any
+	if len(result.Warnings) > 0 {
+		fmt.Println("\n⚠️  Warnings:")
+		for _, warning := range result.Warnings {
+			fmt.Printf("   • %s\n", warning)
+		}
+	}
+
+	// If dry-run, stop here
+	if isDryRun {
+		fmt.Println("\n🔍 Dry-run complete. No changes were made.")
+		return nil
+	}
+
+	// Check if there's anything to delete
+	if result.Plan.TotalActions == 0 {
+		fmt.Println("\n✅ No resources found to delete.")
+		return nil
+	}
+
+	fmt.Printf("\nThis will delete %d resource(s). Estimated time: %v\n",
+		result.Plan.TotalActions, result.Plan.EstimatedDuration)
+
+	if !autoApprove && !confirmDeletion() {
+		fmt.Println("Deletion cancelled.")
+		return nil
+	}
+
+	// Execute deletion
+	fmt.Println("\n🗑️  Starting deletion...")
+
+	manager := deletev1.NewResourceManager(client, deletev1.WithLogger(log.Default()))
+	deleteResult, err := manager.ExecuteDeletion(context.Background(), result.Plan)
+	if err != nil {
+		return fmt.Errorf("deletion failed: %w", err)
+	}
+
+	// Display results
+	return displayDeletionResults(deleteResult)
+}
+
+func runDeleteV2(cfg *config.EdgeConnectConfig, isDryRun bool, autoApprove bool) error {
+	// Create v2 client
+	client := newSDKClientV2()
+
+	// Create deletion planner
+	planner := deletev2.NewPlanner(client)
+
+	// Generate deletion plan
+	fmt.Println("🔍 Analyzing current state and generating deletion plan...")
+
+	planOptions := deletev2.DefaultPlanOptions()
+	planOptions.DryRun = isDryRun
+
+	result, err := planner.PlanWithOptions(context.Background(), cfg, planOptions)
+	if err != nil {
+		return fmt.Errorf("failed to generate deletion plan: %w", err)
+	}
+
+	// Display plan summary
+	fmt.Println("\n📋 Deletion Plan:")
+	fmt.Println(strings.Repeat("=", 50))
+	fmt.Println(result.Plan.Summary)
+	fmt.Println(strings.Repeat("=", 50))
+
+	// Display warnings if any
+	if len(result.Warnings) > 0 {
+		fmt.Println("\n⚠️  Warnings:")
+		for _, warning := range result.Warnings {
+			fmt.Printf("   • %s\n", warning)
+		}
+	}
+
+	// If dry-run, stop here
+	if isDryRun {
+		fmt.Println("\n🔍 Dry-run complete. No changes were made.")
+		return nil
+	}
+
+	// Check if there's anything to delete
+	if result.Plan.TotalActions == 0 {
+		fmt.Println("\n✅ No resources found to delete.")
+		return nil
+	}
+
+	fmt.Printf("\nThis will delete %d resource(s). Estimated time: %v\n",
+		result.Plan.TotalActions, result.Plan.EstimatedDuration)
+
+	if !autoApprove && !confirmDeletion() {
+		fmt.Println("Deletion cancelled.")
+		return nil
+	}
+
+	// Execute deletion
+	fmt.Println("\n🗑️  Starting deletion...")
+
+	manager := deletev2.NewResourceManager(client, deletev2.WithLogger(log.Default()))
+	deleteResult, err := manager.ExecuteDeletion(context.Background(), result.Plan)
+	if err != nil {
+		return fmt.Errorf("deletion failed: %w", err)
+	}
+
+	// Display results
+	return displayDeletionResults(deleteResult)
+}
+
+func displayDeletionResults(result interface{}) error {
+	// Use type assertion to handle both v1 and v2 result types
+	switch r := result.(type) {
+	case *deletev1.DeletionResult:
+		return displayDeletionResultsV1(r)
+	case *deletev2.DeletionResult:
+		return displayDeletionResultsV2(r)
+	default:
+		return fmt.Errorf("unknown deletion result type")
+	}
+}
+
+func displayDeletionResultsV1(deleteResult *deletev1.DeletionResult) error {
+	if deleteResult.Success {
+		fmt.Printf("\n✅ Deletion completed successfully in %v\n", deleteResult.Duration)
+		if len(deleteResult.CompletedActions) > 0 {
+			fmt.Println("\nDeleted resources:")
+			for _, action := range deleteResult.CompletedActions {
+				fmt.Printf("   ✅ %s %s\n", action.Type, action.Target)
+			}
+		}
+	} else {
+		fmt.Printf("\n❌ Deletion failed after %v\n", deleteResult.Duration)
+		if deleteResult.Error != nil {
+			fmt.Printf("Error: %v\n", deleteResult.Error)
+		}
+		if len(deleteResult.FailedActions) > 0 {
+			fmt.Println("\nFailed actions:")
+			for _, action := range deleteResult.FailedActions {
+				fmt.Printf("   ❌ %s %s: %v\n", action.Type, action.Target, action.Error)
+			}
+		}
+		return fmt.Errorf("deletion failed with %d failed actions", len(deleteResult.FailedActions))
+	}
+	return nil
+}
+
+func displayDeletionResultsV2(deleteResult *deletev2.DeletionResult) error {
+	if deleteResult.Success {
+		fmt.Printf("\n✅ Deletion completed successfully in %v\n", deleteResult.Duration)
+		if len(deleteResult.CompletedActions) > 0 {
+			fmt.Println("\nDeleted resources:")
+			for _, action := range deleteResult.CompletedActions {
+				fmt.Printf("   ✅ %s %s\n", action.Type, action.Target)
+			}
+		}
+	} else {
+		fmt.Printf("\n❌ Deletion failed after %v\n", deleteResult.Duration)
+		if deleteResult.Error != nil {
+			fmt.Printf("Error: %v\n", deleteResult.Error)
+		}
+		if len(deleteResult.FailedActions) > 0 {
+			fmt.Println("\nFailed actions:")
+			for _, action := range deleteResult.FailedActions {
+				fmt.Printf("   ❌ %s %s: %v\n", action.Type, action.Target, action.Error)
+			}
+		}
+		return fmt.Errorf("deletion failed with %d failed actions", len(deleteResult.FailedActions))
+	}
+	return nil
+}
+
+func confirmDeletion() bool {
+	fmt.Print("Do you want to proceed with deletion? (yes/no): ")
+	var response string
+	fmt.Scanln(&response)
+
+	switch response {
+	case "yes", "y", "YES", "Y":
+		return true
+	default:
+		return false
+	}
+}
+
+func init() {
+	rootCmd.AddCommand(deleteCmd)
+
+	deleteCmd.Flags().StringVarP(&deleteConfigFile, "file", "f", "", "configuration file path (required)")
+	deleteCmd.Flags().BoolVar(&deleteDryRun, "dry-run", false, "preview deletion without actually deleting resources")
+	deleteCmd.Flags().BoolVar(&deleteAutoApprove, "auto-approve", false, "automatically approve the deletion plan")
+
+	deleteCmd.MarkFlagRequired("file")
+}
diff --git a/internal/config/example_test.go b/internal/config/example_test.go
index dfa3840..536399f 100644
--- a/internal/config/example_test.go
+++ b/internal/config/example_test.go
@@ -14,7 +14,7 @@ func TestParseExampleConfig(t *testing.T) {
 	parser := NewParser()
 
 	// Parse the actual example file (now that we've created the manifest file)
-	examplePath := filepath.Join("../../sdk/examples/comprehensive/EdgeConnectConfig.yaml")
+	examplePath := filepath.Join("../../sdk/examples/comprehensive/EdgeConnectConfig_v1.yaml")
 	config, parsedManifest, err := parser.ParseFile(examplePath)
 
 	// This should now succeed with full validation
diff --git a/internal/delete/v1/manager.go b/internal/delete/v1/manager.go
new file mode 100644
index 0000000..470ac37
--- /dev/null
+++ b/internal/delete/v1/manager.go
@@ -0,0 +1,166 @@
+// ABOUTME: Resource management for EdgeConnect delete command with deletion execution
+// ABOUTME: Handles actual deletion operations with proper ordering (instances first, then app)
+package v1
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"edp.buildth.ing/DevFW-CICD/edge-connect-client/sdk/edgeconnect"
+)
+
+// ResourceManagerInterface defines the interface for resource management
+type ResourceManagerInterface interface {
+	// ExecuteDeletion executes a deletion plan
+	ExecuteDeletion(ctx context.Context, plan *DeletionPlan) (*DeletionResult, error)
+}
+
+// EdgeConnectResourceManager implements resource management for EdgeConnect
+type EdgeConnectResourceManager struct {
+	client EdgeConnectClientInterface
+	logger Logger
+}
+
+// Logger interface for deletion logging
+type Logger interface {
+	Printf(format string, v ...interface{})
+}
+
+// ResourceManagerOptions configures the resource manager behavior
+type ResourceManagerOptions struct {
+	// Logger for deletion operations
+	Logger Logger
+}
+
+// DefaultResourceManagerOptions returns sensible defaults
+func DefaultResourceManagerOptions() ResourceManagerOptions {
+	return ResourceManagerOptions{
+		Logger: nil,
+	}
+}
+
+// NewResourceManager creates a new EdgeConnect resource manager
+func NewResourceManager(client EdgeConnectClientInterface, opts ...func(*ResourceManagerOptions)) ResourceManagerInterface {
+	options := DefaultResourceManagerOptions()
+	for _, opt := range opts {
+		opt(&options)
+	}
+
+	return &EdgeConnectResourceManager{
+		client: client,
+		logger: options.Logger,
+	}
+}
+
+// WithLogger sets a logger for deletion operations
+func WithLogger(logger Logger) func(*ResourceManagerOptions) {
+	return func(opts *ResourceManagerOptions) {
+		opts.Logger = logger
+	}
+}
+
+// ExecuteDeletion executes a deletion plan
+// Important: Instances must be deleted before the app
+func (rm *EdgeConnectResourceManager) ExecuteDeletion(ctx context.Context, plan *DeletionPlan) (*DeletionResult, error) {
+	startTime := time.Now()
+	rm.logf("Starting deletion: %s", plan.ConfigName)
+
+	result := &DeletionResult{
+		Plan:             plan,
+		Success:          true,
+		CompletedActions: []DeletionActionResult{},
+		FailedActions:    []DeletionActionResult{},
+	}
+
+	// If plan is empty, return success immediately
+	if plan.IsEmpty() {
+		rm.logf("No resources to delete")
+		result.Duration = time.Since(startTime)
+		return result, nil
+	}
+
+	// Step 1: Delete all instances first
+	for _, instance := range plan.InstancesToDelete {
+		actionStart := time.Now()
+		rm.logf("Deleting instance: %s", instance.Name)
+
+		instanceKey := edgeconnect.AppInstanceKey{
+			Organization: instance.Organization,
+			Name:         instance.Name,
+			CloudletKey: edgeconnect.CloudletKey{
+				Organization: instance.CloudletOrg,
+				Name:         instance.CloudletName,
+			},
+		}
+
+		err := rm.client.DeleteAppInstance(ctx, instanceKey, instance.Region)
+		actionResult := DeletionActionResult{
+			Type:     "instance",
+			Target:   instance.Name,
+			Duration: time.Since(actionStart),
+		}
+
+		if err != nil {
+			rm.logf("Failed to delete instance %s: %v", instance.Name, err)
+			actionResult.Success = false
+			actionResult.Error = err
+			result.FailedActions = append(result.FailedActions, actionResult)
+			result.Success = false
+			result.Error = fmt.Errorf("failed to delete instance %s: %w", instance.Name, err)
+			result.Duration = time.Since(startTime)
+			return result, result.Error
+		}
+
+		rm.logf("Successfully deleted instance: %s", instance.Name)
+		actionResult.Success = true
+		result.CompletedActions = append(result.CompletedActions, actionResult)
+	}
+
+	// Step 2: Delete the app (only after all instances are deleted)
+	if plan.AppToDelete != nil {
+		actionStart := time.Now()
+		app := plan.AppToDelete
+		rm.logf("Deleting app: %s version %s", app.Name, app.Version)
+
+		appKey := edgeconnect.AppKey{
+			Organization: app.Organization,
+			Name:         app.Name,
+			Version:      app.Version,
+		}
+
+		err := rm.client.DeleteApp(ctx, appKey, app.Region)
+		actionResult := DeletionActionResult{
+			Type:     "app",
+			Target:   fmt.Sprintf("%s:%s", app.Name, app.Version),
+			Duration: time.Since(actionStart),
+		}
+
+		if err != nil {
+			rm.logf("Failed to delete app %s: %v", app.Name, err)
+			actionResult.Success = false
+			actionResult.Error = err
+			result.FailedActions = append(result.FailedActions, actionResult)
+			result.Success = false
+			result.Error = fmt.Errorf("failed to delete app %s: %w", app.Name, err)
+			result.Duration = time.Since(startTime)
+			return result, result.Error
+		}
+
+		rm.logf("Successfully deleted app: %s", app.Name)
+		actionResult.Success = true
+		result.CompletedActions = append(result.CompletedActions, actionResult)
+	}
+
+	result.Duration = time.Since(startTime)
+	rm.logf("Deletion completed successfully in %v", result.Duration)
+
+	return result, nil
+}
+
+// logf logs a message if a logger is configured
+func (rm *EdgeConnectResourceManager) logf(format string, v ...interface{}) {
+	if rm.logger != nil {
+		rm.logger.Printf(format, v...)
+	}
+}
diff --git a/internal/delete/v1/planner.go b/internal/delete/v1/planner.go
new file mode 100644
index 0000000..d436057
--- /dev/null
+++ b/internal/delete/v1/planner.go
@@ -0,0 +1,228 @@
+// ABOUTME: Deletion planner for EdgeConnect delete command
+// ABOUTME: Analyzes current state to identify resources for deletion
+package v1
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"edp.buildth.ing/DevFW-CICD/edge-connect-client/internal/config"
+	"edp.buildth.ing/DevFW-CICD/edge-connect-client/sdk/edgeconnect"
+)
+
+// EdgeConnectClientInterface defines the methods needed for deletion planning
+type EdgeConnectClientInterface interface {
+	ShowApp(ctx context.Context, appKey edgeconnect.AppKey, region string) (edgeconnect.App, error)
+	ShowAppInstances(ctx context.Context, instanceKey edgeconnect.AppInstanceKey, region string) ([]edgeconnect.AppInstance, error)
+	DeleteApp(ctx context.Context, appKey edgeconnect.AppKey, region string) error
+	DeleteAppInstance(ctx context.Context, instanceKey edgeconnect.AppInstanceKey, region string) error
+}
+
+// Planner defines the interface for deletion planning
+type Planner interface {
+	// Plan analyzes the configuration and current state to generate a deletion plan
+	Plan(ctx context.Context, config *config.EdgeConnectConfig) (*PlanResult, error)
+
+	// PlanWithOptions allows customization of planning behavior
+	PlanWithOptions(ctx context.Context, config *config.EdgeConnectConfig, opts PlanOptions) (*PlanResult, error)
+}
+
+// PlanOptions provides configuration for the planning process
+type PlanOptions struct {
+	// DryRun indicates this is a planning-only operation
+	DryRun bool
+
+	// Timeout for API operations
+	Timeout time.Duration
+}
+
+// DefaultPlanOptions returns sensible default planning options
+func DefaultPlanOptions() PlanOptions {
+	return PlanOptions{
+		DryRun:  false,
+		Timeout: 30 * time.Second,
+	}
+}
+
+// EdgeConnectPlanner implements the Planner interface for EdgeConnect
+type EdgeConnectPlanner struct {
+	client EdgeConnectClientInterface
+}
+
+// NewPlanner creates a new EdgeConnect deletion planner
+func NewPlanner(client EdgeConnectClientInterface) Planner {
+	return &EdgeConnectPlanner{
+		client: client,
+	}
+}
+
+// Plan analyzes the configuration and generates a deletion plan
+func (p *EdgeConnectPlanner) Plan(ctx context.Context, config *config.EdgeConnectConfig) (*PlanResult, error) {
+	return p.PlanWithOptions(ctx, config, DefaultPlanOptions())
+}
+
+// PlanWithOptions generates a deletion plan with custom options
+func (p *EdgeConnectPlanner) PlanWithOptions(ctx context.Context, config *config.EdgeConnectConfig, opts PlanOptions) (*PlanResult, error) {
+	startTime := time.Now()
+	var warnings []string
+
+	// Create the deletion plan structure
+	plan := &DeletionPlan{
+		ConfigName: config.Metadata.Name,
+		CreatedAt:  startTime,
+		DryRun:     opts.DryRun,
+	}
+
+	// Get the region from the first infra template
+	region := config.Spec.InfraTemplate[0].Region
+
+	// Step 1: Check if instances exist
+	instancesResult := p.findInstancesToDelete(ctx, config, region)
+	plan.InstancesToDelete = instancesResult.instances
+	if instancesResult.err != nil {
+		warnings = append(warnings, fmt.Sprintf("Error querying instances: %v", instancesResult.err))
+	}
+
+	// Step 2: Check if app exists
+	appResult := p.findAppToDelete(ctx, config, region)
+	plan.AppToDelete = appResult.app
+	if appResult.err != nil && !isNotFoundError(appResult.err) {
+		warnings = append(warnings, fmt.Sprintf("Error querying app: %v", appResult.err))
+	}
+
+	// Step 3: Calculate plan metadata
+	p.calculatePlanMetadata(plan)
+
+	// Step 4: Generate summary
+	plan.Summary = plan.GenerateSummary()
+
+	return &PlanResult{
+		Plan:     plan,
+		Warnings: warnings,
+	}, nil
+}
+
+type appQueryResult struct {
+	app *AppDeletion
+	err error
+}
+
+type instancesQueryResult struct {
+	instances []InstanceDeletion
+	err       error
+}
+
+// findAppToDelete checks if the app exists and should be deleted
+func (p *EdgeConnectPlanner) findAppToDelete(ctx context.Context, config *config.EdgeConnectConfig, region string) appQueryResult {
+	appKey := edgeconnect.AppKey{
+		Organization: config.Metadata.Organization,
+		Name:         config.Metadata.Name,
+		Version:      config.Metadata.AppVersion,
+	}
+
+	app, err := p.client.ShowApp(ctx, appKey, region)
+	if err != nil {
+		if isNotFoundError(err) {
+			return appQueryResult{app: nil, err: nil}
+		}
+		return appQueryResult{app: nil, err: err}
+	}
+
+	return appQueryResult{
+		app: &AppDeletion{
+			Name:         app.Key.Name,
+			Version:      app.Key.Version,
+			Organization: app.Key.Organization,
+			Region:       region,
+		},
+		err: nil,
+	}
+}
+
+// findInstancesToDelete finds all instances that match the config
+func (p *EdgeConnectPlanner) findInstancesToDelete(ctx context.Context, config *config.EdgeConnectConfig, region string) instancesQueryResult {
+	var allInstances []InstanceDeletion
+
+	// Query instances for each infra template
+	for _, infra := range config.Spec.InfraTemplate {
+		instanceKey := edgeconnect.AppInstanceKey{
+			Organization: config.Metadata.Organization,
+			Name:         generateInstanceName(config.Metadata.Name, config.Metadata.AppVersion),
+			CloudletKey: edgeconnect.CloudletKey{
+				Organization: infra.CloudletOrg,
+				Name:         infra.CloudletName,
+			},
+		}
+
+		instances, err := p.client.ShowAppInstances(ctx, instanceKey, infra.Region)
+		if err != nil {
+			// If it's a not found error, just continue
+			if isNotFoundError(err) {
+				continue
+			}
+			return instancesQueryResult{instances: nil, err: err}
+		}
+
+		// Add found instances to the list
+		for _, inst := range instances {
+			allInstances = append(allInstances, InstanceDeletion{
+				Name:         inst.Key.Name,
+				Organization: inst.Key.Organization,
+				Region:       infra.Region,
+				CloudletOrg:  inst.Key.CloudletKey.Organization,
+				CloudletName: inst.Key.CloudletKey.Name,
+			})
+		}
+	}
+
+	return instancesQueryResult{
+		instances: allInstances,
+		err:       nil,
+	}
+}
+
+// calculatePlanMetadata calculates the total actions and estimated duration
+func (p *EdgeConnectPlanner) calculatePlanMetadata(plan *DeletionPlan) {
+	totalActions := 0
+
+	if plan.AppToDelete != nil {
+		totalActions++
+	}
+
+	totalActions += len(plan.InstancesToDelete)
+
+	plan.TotalActions = totalActions
+
+	// Estimate duration: ~5 seconds per instance, ~3 seconds for app
+	estimatedSeconds := len(plan.InstancesToDelete) * 5
+	if plan.AppToDelete != nil {
+		estimatedSeconds += 3
+	}
+	plan.EstimatedDuration = time.Duration(estimatedSeconds) * time.Second
+}
+
+// generateInstanceName creates an instance name from app name and version
+func generateInstanceName(appName, appVersion string) string {
+	return fmt.Sprintf("%s-%s-instance", appName, appVersion)
+}
+
+// isNotFoundError checks if an error is a 404 not found error
+func isNotFoundError(err error) bool {
+	if apiErr, ok := err.(*edgeconnect.APIError); ok {
+		return apiErr.StatusCode == 404
+	}
+	return false
+}
+
+// PlanResult represents the result of a deletion planning operation
+type PlanResult struct {
+	// Plan is the generated deletion plan
+	Plan *DeletionPlan
+
+	// Error if planning failed
+	Error error
+
+	// Warnings encountered during planning
+	Warnings []string
+}
diff --git a/internal/delete/v1/types.go b/internal/delete/v1/types.go
new file mode 100644
index 0000000..a4d491c
--- /dev/null
+++ b/internal/delete/v1/types.go
@@ -0,0 +1,157 @@
+// ABOUTME: Deletion planning types for EdgeConnect delete command
+// ABOUTME: Defines structures for deletion plans and deletion results
+package v1
+
+import (
+	"fmt"
+	"strings"
+	"time"
+)
+
+// DeletionPlan represents the complete deletion plan for a configuration
+type DeletionPlan struct {
+	// ConfigName is the name from metadata
+	ConfigName string
+
+	// AppToDelete defines the app that will be deleted (nil if app doesn't exist)
+	AppToDelete *AppDeletion
+
+	// InstancesToDelete defines the instances that will be deleted
+	InstancesToDelete []InstanceDeletion
+
+	// Summary provides a human-readable summary of the plan
+	Summary string
+
+	// TotalActions is the count of all actions that will be performed
+	TotalActions int
+
+	// EstimatedDuration is the estimated time to complete the deletion
+	EstimatedDuration time.Duration
+
+	// CreatedAt timestamp when the plan was created
+	CreatedAt time.Time
+
+	// DryRun indicates if this is a dry-run plan
+	DryRun bool
+}
+
+// AppDeletion represents an application to be deleted
+type AppDeletion struct {
+	// Name of the application
+	Name string
+
+	// Version of the application
+	Version string
+
+	// Organization that owns the app
+	Organization string
+
+	// Region where the app is deployed
+	Region string
+}
+
+// InstanceDeletion represents an application instance to be deleted
+type InstanceDeletion struct {
+	// Name of the instance
+	Name string
+
+	// Organization that owns the instance
+	Organization string
+
+	// Region where the instance is deployed
+	Region string
+
+	// CloudletOrg that hosts the cloudlet
+	CloudletOrg string
+
+	// CloudletName where the instance is running
+	CloudletName string
+}
+
+// DeletionResult represents the result of a deletion operation
+type DeletionResult struct {
+	// Plan that was executed
+	Plan *DeletionPlan
+
+	// Success indicates if the deletion was successful
+	Success bool
+
+	// CompletedActions lists actions that were successfully completed
+	CompletedActions []DeletionActionResult
+
+	// FailedActions lists actions that failed
+	FailedActions []DeletionActionResult
+
+	// Error that caused the deletion to fail (if any)
+	Error error
+
+	// Duration taken to execute the plan
+	Duration time.Duration
+}
+
+// DeletionActionResult represents the result of executing a single deletion action
+type DeletionActionResult struct {
+	// Type of resource that was deleted ("app" or "instance")
+	Type string
+
+	// Target describes what was being deleted
+	Target string
+
+	// Success indicates if the action succeeded
+	Success bool
+
+	// Error if the action failed
+	Error error
+
+	// Duration taken to complete the action
+	Duration time.Duration
+}
+
+// IsEmpty returns true if the deletion plan has no actions to perform
+func (dp *DeletionPlan) IsEmpty() bool {
+	return dp.AppToDelete == nil && len(dp.InstancesToDelete) == 0
+}
+
+// GenerateSummary creates a human-readable summary of the deletion plan
+func (dp *DeletionPlan) GenerateSummary() string {
+	if dp.IsEmpty() {
+		return "No resources found to delete"
+	}
+
+	var sb strings.Builder
+	sb.WriteString(fmt.Sprintf("Deletion plan for '%s':\n", dp.ConfigName))
+
+	// Instance actions
+	if len(dp.InstancesToDelete) > 0 {
+		sb.WriteString(fmt.Sprintf("- DELETE %d instance(s)\n", len(dp.InstancesToDelete)))
+		cloudletSet := make(map[string]bool)
+		for _, inst := range dp.InstancesToDelete {
+			key := fmt.Sprintf("%s:%s", inst.CloudletOrg, inst.CloudletName)
+			cloudletSet[key] = true
+		}
+		sb.WriteString(fmt.Sprintf("  Across %d cloudlet(s)\n", len(cloudletSet)))
+	}
+
+	// App action
+	if dp.AppToDelete != nil {
+		sb.WriteString(fmt.Sprintf("- DELETE application '%s' version %s\n",
+			dp.AppToDelete.Name, dp.AppToDelete.Version))
+	}
+
+	sb.WriteString(fmt.Sprintf("Estimated duration: %s", dp.EstimatedDuration.String()))
+
+	return sb.String()
+}
+
+// Validate checks if the deletion plan is valid
+func (dp *DeletionPlan) Validate() error {
+	if dp.ConfigName == "" {
+		return fmt.Errorf("deletion plan must have a config name")
+	}
+
+	if dp.IsEmpty() {
+		return fmt.Errorf("deletion plan has no resources to delete")
+	}
+
+	return nil
+}
diff --git a/internal/delete/v2/manager.go b/internal/delete/v2/manager.go
new file mode 100644
index 0000000..a644f32
--- /dev/null
+++ b/internal/delete/v2/manager.go
@@ -0,0 +1,166 @@
+// ABOUTME: Resource management for EdgeConnect delete command with deletion execution
+// ABOUTME: Handles actual deletion operations with proper ordering (instances first, then app)
+package v2
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	v2 "edp.buildth.ing/DevFW-CICD/edge-connect-client/sdk/edgeconnect/v2"
+)
+
+// ResourceManagerInterface defines the interface for resource management
+type ResourceManagerInterface interface {
+	// ExecuteDeletion executes a deletion plan
+	ExecuteDeletion(ctx context.Context, plan *DeletionPlan) (*DeletionResult, error)
+}
+
+// EdgeConnectResourceManager implements resource management for EdgeConnect
+type EdgeConnectResourceManager struct {
+	client EdgeConnectClientInterface
+	logger Logger
+}
+
+// Logger interface for deletion logging
+type Logger interface {
+	Printf(format string, v ...interface{})
+}
+
+// ResourceManagerOptions configures the resource manager behavior
+type ResourceManagerOptions struct {
+	// Logger for deletion operations
+	Logger Logger
+}
+
+// DefaultResourceManagerOptions returns sensible defaults
+func DefaultResourceManagerOptions() ResourceManagerOptions {
+	return ResourceManagerOptions{
+		Logger: nil,
+	}
+}
+
+// NewResourceManager creates a new EdgeConnect resource manager
+func NewResourceManager(client EdgeConnectClientInterface, opts ...func(*ResourceManagerOptions)) ResourceManagerInterface {
+	options := DefaultResourceManagerOptions()
+	for _, opt := range opts {
+		opt(&options)
+	}
+
+	return &EdgeConnectResourceManager{
+		client: client,
+		logger: options.Logger,
+	}
+}
+
+// WithLogger sets a logger for deletion operations
+func WithLogger(logger Logger) func(*ResourceManagerOptions) {
+	return func(opts *ResourceManagerOptions) {
+		opts.Logger = logger
+	}
+}
+
+// ExecuteDeletion executes a deletion plan
+// Important: Instances must be deleted before the app
+func (rm *EdgeConnectResourceManager) ExecuteDeletion(ctx context.Context, plan *DeletionPlan) (*DeletionResult, error) {
+	startTime := time.Now()
+	rm.logf("Starting deletion: %s", plan.ConfigName)
+
+	result := &DeletionResult{
+		Plan:             plan,
+		Success:          true,
+		CompletedActions: []DeletionActionResult{},
+		FailedActions:    []DeletionActionResult{},
+	}
+
+	// If plan is empty, return success immediately
+	if plan.IsEmpty() {
+		rm.logf("No resources to delete")
+		result.Duration = time.Since(startTime)
+		return result, nil
+	}
+
+	// Step 1: Delete all instances first
+	for _, instance := range plan.InstancesToDelete {
+		actionStart := time.Now()
+		rm.logf("Deleting instance: %s", instance.Name)
+
+		instanceKey := v2.AppInstanceKey{
+			Organization: instance.Organization,
+			Name:         instance.Name,
+			CloudletKey: v2.CloudletKey{
+				Organization: instance.CloudletOrg,
+				Name:         instance.CloudletName,
+			},
+		}
+
+		err := rm.client.DeleteAppInstance(ctx, instanceKey, instance.Region)
+		actionResult := DeletionActionResult{
+			Type:     "instance",
+			Target:   instance.Name,
+			Duration: time.Since(actionStart),
+		}
+
+		if err != nil {
+			rm.logf("Failed to delete instance %s: %v", instance.Name, err)
+			actionResult.Success = false
+			actionResult.Error = err
+			result.FailedActions = append(result.FailedActions, actionResult)
+			result.Success = false
+			result.Error = fmt.Errorf("failed to delete instance %s: %w", instance.Name, err)
+			result.Duration = time.Since(startTime)
+			return result, result.Error
+		}
+
+		rm.logf("Successfully deleted instance: %s", instance.Name)
+		actionResult.Success = true
+		result.CompletedActions = append(result.CompletedActions, actionResult)
+	}
+
+	// Step 2: Delete the app (only after all instances are deleted)
+	if plan.AppToDelete != nil {
+		actionStart := time.Now()
+		app := plan.AppToDelete
+		rm.logf("Deleting app: %s version %s", app.Name, app.Version)
+
+		appKey := v2.AppKey{
+			Organization: app.Organization,
+			Name:         app.Name,
+			Version:      app.Version,
+		}
+
+		err := rm.client.DeleteApp(ctx, appKey, app.Region)
+		actionResult := DeletionActionResult{
+			Type:     "app",
+			Target:   fmt.Sprintf("%s:%s", app.Name, app.Version),
+			Duration: time.Since(actionStart),
+		}
+
+		if err != nil {
+			rm.logf("Failed to delete app %s: %v", app.Name, err)
+			actionResult.Success = false
+			actionResult.Error = err
+			result.FailedActions = append(result.FailedActions, actionResult)
+			result.Success = false
+			result.Error = fmt.Errorf("failed to delete app %s: %w", app.Name, err)
+			result.Duration = time.Since(startTime)
+			return result, result.Error
+		}
+
+		rm.logf("Successfully deleted app: %s", app.Name)
+		actionResult.Success = true
+		result.CompletedActions = append(result.CompletedActions, actionResult)
+	}
+
+	result.Duration = time.Since(startTime)
+	rm.logf("Deletion completed successfully in %v", result.Duration)
+
+	return result, nil
+}
+
+// logf logs a message if a logger is configured
+func (rm *EdgeConnectResourceManager) logf(format string, v ...interface{}) {
+	if rm.logger != nil {
+		rm.logger.Printf(format, v...)
+	}
+}
diff --git a/internal/delete/v2/manager_test.go b/internal/delete/v2/manager_test.go
new file mode 100644
index 0000000..fd098af
--- /dev/null
+++ b/internal/delete/v2/manager_test.go
@@ -0,0 +1,200 @@
+// ABOUTME: Tests for EdgeConnect deletion manager with mock scenarios
+// ABOUTME: Tests deletion execution and error handling with mock clients
+package v2
+
+import (
+	"context"
+	"fmt"
+	"testing"
+	"time"
+
+	v2 "edp.buildth.ing/DevFW-CICD/edge-connect-client/sdk/edgeconnect/v2"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/stretchr/testify/require"
+)
+
+// MockResourceClient for testing deletion manager
+type MockResourceClient struct {
+	mock.Mock
+}
+
+func (m *MockResourceClient) ShowApp(ctx context.Context, appKey v2.AppKey, region string) (v2.App, error) {
+	args := m.Called(ctx, appKey, region)
+	if args.Get(0) == nil {
+		return v2.App{}, args.Error(1)
+	}
+	return args.Get(0).(v2.App), args.Error(1)
+}
+
+func (m *MockResourceClient) ShowAppInstances(ctx context.Context, instanceKey v2.AppInstanceKey, region string) ([]v2.AppInstance, error) {
+	args := m.Called(ctx, instanceKey, region)
+	if args.Get(0) == nil {
+		return nil, args.Error(1)
+	}
+	return args.Get(0).([]v2.AppInstance), args.Error(1)
+}
+
+func (m *MockResourceClient) DeleteApp(ctx context.Context, appKey v2.AppKey, region string) error {
+	args := m.Called(ctx, appKey, region)
+	return args.Error(0)
+}
+
+func (m *MockResourceClient) DeleteAppInstance(ctx context.Context, instanceKey v2.AppInstanceKey, region string) error {
+	args := m.Called(ctx, instanceKey, region)
+	return args.Error(0)
+}
+
+// TestLogger implements Logger interface for testing
+type TestLogger struct {
+	messages []string
+}
+
+func (l *TestLogger) Printf(format string, v ...interface{}) {
+	l.messages = append(l.messages, fmt.Sprintf(format, v...))
+}
+
+func TestNewResourceManager(t *testing.T) {
+	mockClient := &MockResourceClient{}
+	manager := NewResourceManager(mockClient)
+
+	assert.NotNil(t, manager)
+}
+
+func TestWithLogger(t *testing.T) {
+	mockClient := &MockResourceClient{}
+	logger := &TestLogger{}
+
+	manager := NewResourceManager(mockClient, WithLogger(logger))
+
+	// Cast to implementation to check logger was set
+	impl := manager.(*EdgeConnectResourceManager)
+	assert.Equal(t, logger, impl.logger)
+}
+
+func createTestDeletionPlan() *DeletionPlan {
+	return &DeletionPlan{
+		ConfigName: "test-deletion",
+		AppToDelete: &AppDeletion{
+			Name:         "test-app",
+			Version:      "1.0.0",
+			Organization: "testorg",
+			Region:       "US",
+		},
+		InstancesToDelete: []InstanceDeletion{
+			{
+				Name:         "test-app-1.0.0-instance",
+				Organization: "testorg",
+				Region:       "US",
+				CloudletOrg:  "cloudletorg",
+				CloudletName: "cloudlet1",
+			},
+		},
+		TotalActions:      2,
+		EstimatedDuration: 10 * time.Second,
+	}
+}
+
+func TestExecuteDeletion_Success(t *testing.T) {
+	mockClient := &MockResourceClient{}
+	logger := &TestLogger{}
+	manager := NewResourceManager(mockClient, WithLogger(logger))
+
+	plan := createTestDeletionPlan()
+
+	// Mock successful deletion operations
+	mockClient.On("DeleteAppInstance", mock.Anything, mock.AnythingOfType("v2.AppInstanceKey"), "US").
+		Return(nil)
+	mockClient.On("DeleteApp", mock.Anything, mock.AnythingOfType("v2.AppKey"), "US").
+		Return(nil)
+
+	ctx := context.Background()
+	result, err := manager.ExecuteDeletion(ctx, plan)
+
+	require.NoError(t, err)
+	require.NotNil(t, result)
+	assert.True(t, result.Success)
+	assert.Len(t, result.CompletedActions, 2) // 1 instance + 1 app
+	assert.Len(t, result.FailedActions, 0)
+
+	mockClient.AssertExpectations(t)
+}
+
+func TestExecuteDeletion_InstanceDeleteFails(t *testing.T) {
+	mockClient := &MockResourceClient{}
+	logger := &TestLogger{}
+	manager := NewResourceManager(mockClient, WithLogger(logger))
+
+	plan := createTestDeletionPlan()
+
+	// Mock instance deletion failure
+	mockClient.On("DeleteAppInstance", mock.Anything, mock.AnythingOfType("v2.AppInstanceKey"), "US").
+		Return(fmt.Errorf("instance deletion failed"))
+
+	ctx := context.Background()
+	result, err := manager.ExecuteDeletion(ctx, plan)
+
+	require.Error(t, err)
+	require.NotNil(t, result)
+	assert.False(t, result.Success)
+	assert.Len(t, result.FailedActions, 1)
+
+	mockClient.AssertExpectations(t)
+}
+
+func TestExecuteDeletion_OnlyInstances(t *testing.T) {
+	mockClient := &MockResourceClient{}
+	logger := &TestLogger{}
+	manager := NewResourceManager(mockClient, WithLogger(logger))
+
+	plan := &DeletionPlan{
+		ConfigName:  "test-deletion",
+		AppToDelete: nil, // No app to delete
+		InstancesToDelete: []InstanceDeletion{
+			{
+				Name:         "test-app-1.0.0-instance",
+				Organization: "testorg",
+				Region:       "US",
+				CloudletOrg:  "cloudletorg",
+				CloudletName: "cloudlet1",
+			},
+		},
+		TotalActions:      1,
+		EstimatedDuration: 5 * time.Second,
+	}
+
+	// Mock successful instance deletion
+	mockClient.On("DeleteAppInstance", mock.Anything, mock.AnythingOfType("v2.AppInstanceKey"), "US").
+		Return(nil)
+
+	ctx := context.Background()
+	result, err := manager.ExecuteDeletion(ctx, plan)
+
+	require.NoError(t, err)
+	require.NotNil(t, result)
+	assert.True(t, result.Success)
+	assert.Len(t, result.CompletedActions, 1)
+
+	mockClient.AssertExpectations(t)
+}
+
+func TestExecuteDeletion_EmptyPlan(t *testing.T) {
+	mockClient := &MockResourceClient{}
+	manager := NewResourceManager(mockClient)
+
+	plan := &DeletionPlan{
+		ConfigName:        "test-deletion",
+		AppToDelete:       nil,
+		InstancesToDelete: []InstanceDeletion{},
+		TotalActions:      0,
+	}
+
+	ctx := context.Background()
+	result, err := manager.ExecuteDeletion(ctx, plan)
+
+	require.NoError(t, err)
+	require.NotNil(t, result)
+	assert.True(t, result.Success)
+	assert.Len(t, result.CompletedActions, 0)
+	assert.Len(t, result.FailedActions, 0)
+}
diff --git a/internal/delete/v2/planner.go b/internal/delete/v2/planner.go
new file mode 100644
index 0000000..e77cd9e
--- /dev/null
+++ b/internal/delete/v2/planner.go
@@ -0,0 +1,228 @@
+// ABOUTME: Deletion planner for EdgeConnect delete command
+// ABOUTME: Analyzes current state to identify resources for deletion
+package v2
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"edp.buildth.ing/DevFW-CICD/edge-connect-client/internal/config"
+	v2 "edp.buildth.ing/DevFW-CICD/edge-connect-client/sdk/edgeconnect/v2"
+)
+
+// EdgeConnectClientInterface defines the methods needed for deletion planning
+type EdgeConnectClientInterface interface {
+	ShowApp(ctx context.Context, appKey v2.AppKey, region string) (v2.App, error)
+	ShowAppInstances(ctx context.Context, instanceKey v2.AppInstanceKey, region string) ([]v2.AppInstance, error)
+	DeleteApp(ctx context.Context, appKey v2.AppKey, region string) error
+	DeleteAppInstance(ctx context.Context, instanceKey v2.AppInstanceKey, region string) error
+}
+
+// Planner defines the interface for deletion planning
+type Planner interface {
+	// Plan analyzes the configuration and current state to generate a deletion plan
+	Plan(ctx context.Context, config *config.EdgeConnectConfig) (*PlanResult, error)
+
+	// PlanWithOptions allows customization of planning behavior
+	PlanWithOptions(ctx context.Context, config *config.EdgeConnectConfig, opts PlanOptions) (*PlanResult, error)
+}
+
+// PlanOptions provides configuration for the planning process
+type PlanOptions struct {
+	// DryRun indicates this is a planning-only operation
+	DryRun bool
+
+	// Timeout for API operations
+	Timeout time.Duration
+}
+
+// DefaultPlanOptions returns sensible default planning options
+func DefaultPlanOptions() PlanOptions {
+	return PlanOptions{
+		DryRun:  false,
+		Timeout: 30 * time.Second,
+	}
+}
+
+// EdgeConnectPlanner implements the Planner interface for EdgeConnect
+type EdgeConnectPlanner struct {
+	client EdgeConnectClientInterface
+}
+
+// NewPlanner creates a new EdgeConnect deletion planner
+func NewPlanner(client EdgeConnectClientInterface) Planner {
+	return &EdgeConnectPlanner{
+		client: client,
+	}
+}
+
+// Plan analyzes the configuration and generates a deletion plan
+func (p *EdgeConnectPlanner) Plan(ctx context.Context, config *config.EdgeConnectConfig) (*PlanResult, error) {
+	return p.PlanWithOptions(ctx, config, DefaultPlanOptions())
+}
+
+// PlanWithOptions generates a deletion plan with custom options
+func (p *EdgeConnectPlanner) PlanWithOptions(ctx context.Context, config *config.EdgeConnectConfig, opts PlanOptions) (*PlanResult, error) {
+	startTime := time.Now()
+	var warnings []string
+
+	// Create the deletion plan structure
+	plan := &DeletionPlan{
+		ConfigName: config.Metadata.Name,
+		CreatedAt:  startTime,
+		DryRun:     opts.DryRun,
+	}
+
+	// Get the region from the first infra template
+	region := config.Spec.InfraTemplate[0].Region
+
+	// Step 1: Check if instances exist
+	instancesResult := p.findInstancesToDelete(ctx, config, region)
+	plan.InstancesToDelete = instancesResult.instances
+	if instancesResult.err != nil {
+		warnings = append(warnings, fmt.Sprintf("Error querying instances: %v", instancesResult.err))
+	}
+
+	// Step 2: Check if app exists
+	appResult := p.findAppToDelete(ctx, config, region)
+	plan.AppToDelete = appResult.app
+	if appResult.err != nil && !isNotFoundError(appResult.err) {
+		warnings = append(warnings, fmt.Sprintf("Error querying app: %v", appResult.err))
+	}
+
+	// Step 3: Calculate plan metadata
+	p.calculatePlanMetadata(plan)
+
+	// Step 4: Generate summary
+	plan.Summary = plan.GenerateSummary()
+
+	return &PlanResult{
+		Plan:     plan,
+		Warnings: warnings,
+	}, nil
+}
+
+type appQueryResult struct {
+	app *AppDeletion
+	err error
+}
+
+type instancesQueryResult struct {
+	instances []InstanceDeletion
+	err       error
+}
+
+// findAppToDelete checks if the app exists and should be deleted
+func (p *EdgeConnectPlanner) findAppToDelete(ctx context.Context, config *config.EdgeConnectConfig, region string) appQueryResult {
+	appKey := v2.AppKey{
+		Organization: config.Metadata.Organization,
+		Name:         config.Metadata.Name,
+		Version:      config.Metadata.AppVersion,
+	}
+
+	app, err := p.client.ShowApp(ctx, appKey, region)
+	if err != nil {
+		if isNotFoundError(err) {
+			return appQueryResult{app: nil, err: nil}
+		}
+		return appQueryResult{app: nil, err: err}
+	}
+
+	return appQueryResult{
+		app: &AppDeletion{
+			Name:         app.Key.Name,
+			Version:      app.Key.Version,
+			Organization: app.Key.Organization,
+			Region:       region,
+		},
+		err: nil,
+	}
+}
+
+// findInstancesToDelete finds all instances that match the config
+func (p *EdgeConnectPlanner) findInstancesToDelete(ctx context.Context, config *config.EdgeConnectConfig, region string) instancesQueryResult {
+	var allInstances []InstanceDeletion
+
+	// Query instances for each infra template
+	for _, infra := range config.Spec.InfraTemplate {
+		instanceKey := v2.AppInstanceKey{
+			Organization: config.Metadata.Organization,
+			Name:         generateInstanceName(config.Metadata.Name, config.Metadata.AppVersion),
+			CloudletKey: v2.CloudletKey{
+				Organization: infra.CloudletOrg,
+				Name:         infra.CloudletName,
+			},
+		}
+
+		instances, err := p.client.ShowAppInstances(ctx, instanceKey, infra.Region)
+		if err != nil {
+			// If it's a not found error, just continue
+			if isNotFoundError(err) {
+				continue
+			}
+			return instancesQueryResult{instances: nil, err: err}
+		}
+
+		// Add found instances to the list
+		for _, inst := range instances {
+			allInstances = append(allInstances, InstanceDeletion{
+				Name:         inst.Key.Name,
+				Organization: inst.Key.Organization,
+				Region:       infra.Region,
+				CloudletOrg:  inst.Key.CloudletKey.Organization,
+				CloudletName: inst.Key.CloudletKey.Name,
+			})
+		}
+	}
+
+	return instancesQueryResult{
+		instances: allInstances,
+		err:       nil,
+	}
+}
+
+// calculatePlanMetadata calculates the total actions and estimated duration
+func (p *EdgeConnectPlanner) calculatePlanMetadata(plan *DeletionPlan) {
+	totalActions := 0
+
+	if plan.AppToDelete != nil {
+		totalActions++
+	}
+
+	totalActions += len(plan.InstancesToDelete)
+
+	plan.TotalActions = totalActions
+
+	// Estimate duration: ~5 seconds per instance, ~3 seconds for app
+	estimatedSeconds := len(plan.InstancesToDelete) * 5
+	if plan.AppToDelete != nil {
+		estimatedSeconds += 3
+	}
+	plan.EstimatedDuration = time.Duration(estimatedSeconds) * time.Second
+}
+
+// generateInstanceName creates an instance name from app name and version
+func generateInstanceName(appName, appVersion string) string {
+	return fmt.Sprintf("%s-%s-instance", appName, appVersion)
+}
+
+// isNotFoundError checks if an error is a 404 not found error
+func isNotFoundError(err error) bool {
+	if apiErr, ok := err.(*v2.APIError); ok {
+		return apiErr.StatusCode == 404
+	}
+	return false
+}
+
+// PlanResult represents the result of a deletion planning operation
+type PlanResult struct {
+	// Plan is the generated deletion plan
+	Plan *DeletionPlan
+
+	// Error if planning failed
+	Error error
+
+	// Warnings encountered during planning
+	Warnings []string
+}
diff --git a/internal/delete/v2/planner_test.go b/internal/delete/v2/planner_test.go
new file mode 100644
index 0000000..c37a318
--- /dev/null
+++ b/internal/delete/v2/planner_test.go
@@ -0,0 +1,219 @@
+// ABOUTME: Tests for EdgeConnect deletion planner with mock scenarios
+// ABOUTME: Tests deletion planning logic and resource discovery
+package v2
+
+import (
+	"context"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"edp.buildth.ing/DevFW-CICD/edge-connect-client/internal/config"
+	v2 "edp.buildth.ing/DevFW-CICD/edge-connect-client/sdk/edgeconnect/v2"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/stretchr/testify/require"
+)
+
+// MockEdgeConnectClient is a mock implementation of the EdgeConnect client
+type MockEdgeConnectClient struct {
+	mock.Mock
+}
+
+func (m *MockEdgeConnectClient) ShowApp(ctx context.Context, appKey v2.AppKey, region string) (v2.App, error) {
+	args := m.Called(ctx, appKey, region)
+	if args.Get(0) == nil {
+		return v2.App{}, args.Error(1)
+	}
+	return args.Get(0).(v2.App), args.Error(1)
+}
+
+func (m *MockEdgeConnectClient) ShowAppInstances(ctx context.Context, instanceKey v2.AppInstanceKey, region string) ([]v2.AppInstance, error) {
+	args := m.Called(ctx, instanceKey, region)
+	if args.Get(0) == nil {
+		return nil, args.Error(1)
+	}
+	return args.Get(0).([]v2.AppInstance), args.Error(1)
+}
+
+func (m *MockEdgeConnectClient) DeleteApp(ctx context.Context, appKey v2.AppKey, region string) error {
+	args := m.Called(ctx, appKey, region)
+	return args.Error(0)
+}
+
+func (m *MockEdgeConnectClient) DeleteAppInstance(ctx context.Context, instanceKey v2.AppInstanceKey, region string) error {
+	args := m.Called(ctx, instanceKey, region)
+	return args.Error(0)
+}
+
+func createTestConfig(t *testing.T) *config.EdgeConnectConfig {
+	// Create temporary manifest file
+	tempDir := t.TempDir()
+	manifestFile := filepath.Join(tempDir, "test-manifest.yaml")
+	manifestContent := "apiVersion: v1\nkind: Pod\nmetadata:\n  name: test\n"
+	err := os.WriteFile(manifestFile, []byte(manifestContent), 0644)
+	require.NoError(t, err)
+
+	return &config.EdgeConnectConfig{
+		Kind: "edgeconnect-deployment",
+		Metadata: config.Metadata{
+			Name:         "test-app",
+			AppVersion:   "1.0.0",
+			Organization: "testorg",
+		},
+		Spec: config.Spec{
+			K8sApp: &config.K8sApp{
+				ManifestFile: manifestFile,
+			},
+			InfraTemplate: []config.InfraTemplate{
+				{
+					Region:       "US",
+					CloudletOrg:  "TestCloudletOrg",
+					CloudletName: "TestCloudlet",
+					FlavorName:   "small",
+				},
+			},
+		},
+	}
+}
+
+func TestNewPlanner(t *testing.T) {
+	mockClient := &MockEdgeConnectClient{}
+	planner := NewPlanner(mockClient)
+
+	assert.NotNil(t, planner)
+}
+
+func TestPlanDeletion_WithExistingResources(t *testing.T) {
+	mockClient := &MockEdgeConnectClient{}
+	planner := NewPlanner(mockClient)
+	testConfig := createTestConfig(t)
+
+	// Mock existing app
+	existingApp := v2.App{
+		Key: v2.AppKey{
+			Organization: "testorg",
+			Name:         "test-app",
+			Version:      "1.0.0",
+		},
+		Deployment: "kubernetes",
+	}
+
+	// Mock existing instances
+	existingInstances := []v2.AppInstance{
+		{
+			Key: v2.AppInstanceKey{
+				Organization: "testorg",
+				Name:         "test-app-1.0.0-instance",
+				CloudletKey: v2.CloudletKey{
+					Organization: "TestCloudletOrg",
+					Name:         "TestCloudlet",
+				},
+			},
+			AppKey: v2.AppKey{
+				Organization: "testorg",
+				Name:         "test-app",
+				Version:      "1.0.0",
+			},
+		},
+	}
+
+	mockClient.On("ShowApp", mock.Anything, mock.AnythingOfType("v2.AppKey"), "US").
+		Return(existingApp, nil)
+
+	mockClient.On("ShowAppInstances", mock.Anything, mock.AnythingOfType("v2.AppInstanceKey"), "US").
+		Return(existingInstances, nil)
+
+	ctx := context.Background()
+	result, err := planner.Plan(ctx, testConfig)
+
+	require.NoError(t, err)
+	require.NotNil(t, result)
+	require.NotNil(t, result.Plan)
+
+	plan := result.Plan
+	assert.Equal(t, "test-app", plan.ConfigName)
+	assert.NotNil(t, plan.AppToDelete)
+	assert.Equal(t, "test-app", plan.AppToDelete.Name)
+	assert.Equal(t, "1.0.0", plan.AppToDelete.Version)
+	assert.Equal(t, "testorg", plan.AppToDelete.Organization)
+
+	require.Len(t, plan.InstancesToDelete, 1)
+	assert.Equal(t, "test-app-1.0.0-instance", plan.InstancesToDelete[0].Name)
+	assert.Equal(t, "testorg", plan.InstancesToDelete[0].Organization)
+
+	assert.Equal(t, 2, plan.TotalActions) // 1 app + 1 instance
+	assert.False(t, plan.IsEmpty())
+
+	mockClient.AssertExpectations(t)
+}
+
+func TestPlanDeletion_NoResourcesExist(t *testing.T) {
+	mockClient := &MockEdgeConnectClient{}
+	planner := NewPlanner(mockClient)
+	testConfig := createTestConfig(t)
+
+	// Mock API calls to return "not found" errors
+	mockClient.On("ShowApp", mock.Anything, mock.AnythingOfType("v2.AppKey"), "US").
+		Return(v2.App{}, &v2.APIError{StatusCode: 404, Messages: []string{"App not found"}})
+
+	mockClient.On("ShowAppInstances", mock.Anything, mock.AnythingOfType("v2.AppInstanceKey"), "US").
+		Return([]v2.AppInstance{}, nil)
+
+	ctx := context.Background()
+	result, err := planner.Plan(ctx, testConfig)
+
+	require.NoError(t, err)
+	require.NotNil(t, result)
+	require.NotNil(t, result.Plan)
+
+	plan := result.Plan
+	assert.Equal(t, "test-app", plan.ConfigName)
+	assert.Nil(t, plan.AppToDelete)
+	assert.Len(t, plan.InstancesToDelete, 0)
+	assert.Equal(t, 0, plan.TotalActions)
+	assert.True(t, plan.IsEmpty())
+
+	mockClient.AssertExpectations(t)
+}
+
+func TestPlanDeletion_OnlyInstancesExist(t *testing.T) {
+	mockClient := &MockEdgeConnectClient{}
+	planner := NewPlanner(mockClient)
+	testConfig := createTestConfig(t)
+
+	// Mock existing instances but no app
+	existingInstances := []v2.AppInstance{
+		{
+			Key: v2.AppInstanceKey{
+				Organization: "testorg",
+				Name:         "test-app-1.0.0-instance",
+				CloudletKey: v2.CloudletKey{
+					Organization: "TestCloudletOrg",
+					Name:         "TestCloudlet",
+				},
+			},
+		},
+	}
+
+	mockClient.On("ShowApp", mock.Anything, mock.AnythingOfType("v2.AppKey"), "US").
+		Return(v2.App{}, &v2.APIError{StatusCode: 404, Messages: []string{"App not found"}})
+
+	mockClient.On("ShowAppInstances", mock.Anything, mock.AnythingOfType("v2.AppInstanceKey"), "US").
+		Return(existingInstances, nil)
+
+	ctx := context.Background()
+	result, err := planner.Plan(ctx, testConfig)
+
+	require.NoError(t, err)
+	require.NotNil(t, result)
+	require.NotNil(t, result.Plan)
+
+	plan := result.Plan
+	assert.Nil(t, plan.AppToDelete)
+	assert.Len(t, plan.InstancesToDelete, 1)
+	assert.Equal(t, 1, plan.TotalActions)
+	assert.False(t, plan.IsEmpty())
+
+	mockClient.AssertExpectations(t)
+}
diff --git a/internal/delete/v2/types.go b/internal/delete/v2/types.go
new file mode 100644
index 0000000..de50a68
--- /dev/null
+++ b/internal/delete/v2/types.go
@@ -0,0 +1,157 @@
+// ABOUTME: Deletion planning types for EdgeConnect delete command
+// ABOUTME: Defines structures for deletion plans and deletion results
+package v2
+
+import (
+	"fmt"
+	"strings"
+	"time"
+)
+
+// DeletionPlan represents the complete deletion plan for a configuration
+type DeletionPlan struct {
+	// ConfigName is the name from metadata
+	ConfigName string
+
+	// AppToDelete defines the app that will be deleted (nil if app doesn't exist)
+	AppToDelete *AppDeletion
+
+	// InstancesToDelete defines the instances that will be deleted
+	InstancesToDelete []InstanceDeletion
+
+	// Summary provides a human-readable summary of the plan
+	Summary string
+
+	// TotalActions is the count of all actions that will be performed
+	TotalActions int
+
+	// EstimatedDuration is the estimated time to complete the deletion
+	EstimatedDuration time.Duration
+
+	// CreatedAt timestamp when the plan was created
+	CreatedAt time.Time
+
+	// DryRun indicates if this is a dry-run plan
+	DryRun bool
+}
+
+// AppDeletion represents an application to be deleted
+type AppDeletion struct {
+	// Name of the application
+	Name string
+
+	// Version of the application
+	Version string
+
+	// Organization that owns the app
+	Organization string
+
+	// Region where the app is deployed
+	Region string
+}
+
+// InstanceDeletion represents an application instance to be deleted
+type InstanceDeletion struct {
+	// Name of the instance
+	Name string
+
+	// Organization that owns the instance
+	Organization string
+
+	// Region where the instance is deployed
+	Region string
+
+	// CloudletOrg that hosts the cloudlet
+	CloudletOrg string
+
+	// CloudletName where the instance is running
+	CloudletName string
+}
+
+// DeletionResult represents the result of a deletion operation
+type DeletionResult struct {
+	// Plan that was executed
+	Plan *DeletionPlan
+
+	// Success indicates if the deletion was successful
+	Success bool
+
+	// CompletedActions lists actions that were successfully completed
+	CompletedActions []DeletionActionResult
+
+	// FailedActions lists actions that failed
+	FailedActions []DeletionActionResult
+
+	// Error that caused the deletion to fail (if any)
+	Error error
+
+	// Duration taken to execute the plan
+	Duration time.Duration
+}
+
+// DeletionActionResult represents the result of executing a single deletion action
+type DeletionActionResult struct {
+	// Type of resource that was deleted ("app" or "instance")
+	Type string
+
+	// Target describes what was being deleted
+	Target string
+
+	// Success indicates if the action succeeded
+	Success bool
+
+	// Error if the action failed
+	Error error
+
+	// Duration taken to complete the action
+	Duration time.Duration
+}
+
+// IsEmpty returns true if the deletion plan has no actions to perform
+func (dp *DeletionPlan) IsEmpty() bool {
+	return dp.AppToDelete == nil && len(dp.InstancesToDelete) == 0
+}
+
+// GenerateSummary creates a human-readable summary of the deletion plan
+func (dp *DeletionPlan) GenerateSummary() string {
+	if dp.IsEmpty() {
+		return "No resources found to delete"
+	}
+
+	var sb strings.Builder
+	sb.WriteString(fmt.Sprintf("Deletion plan for '%s':\n", dp.ConfigName))
+
+	// Instance actions
+	if len(dp.InstancesToDelete) > 0 {
+		sb.WriteString(fmt.Sprintf("- DELETE %d instance(s)\n", len(dp.InstancesToDelete)))
+		cloudletSet := make(map[string]bool)
+		for _, inst := range dp.InstancesToDelete {
+			key := fmt.Sprintf("%s:%s", inst.CloudletOrg, inst.CloudletName)
+			cloudletSet[key] = true
+		}
+		sb.WriteString(fmt.Sprintf("  Across %d cloudlet(s)\n", len(cloudletSet)))
+	}
+
+	// App action
+	if dp.AppToDelete != nil {
+		sb.WriteString(fmt.Sprintf("- DELETE application '%s' version %s\n",
+			dp.AppToDelete.Name, dp.AppToDelete.Version))
+	}
+
+	sb.WriteString(fmt.Sprintf("Estimated duration: %s", dp.EstimatedDuration.String()))
+
+	return sb.String()
+}
+
+// Validate checks if the deletion plan is valid
+func (dp *DeletionPlan) Validate() error {
+	if dp.ConfigName == "" {
+		return fmt.Errorf("deletion plan must have a config name")
+	}
+
+	if dp.IsEmpty() {
+		return fmt.Errorf("deletion plan has no resources to delete")
+	}
+
+	return nil
+}
diff --git a/internal/delete/v2/types_test.go b/internal/delete/v2/types_test.go
new file mode 100644
index 0000000..8dfa6b0
--- /dev/null
+++ b/internal/delete/v2/types_test.go
@@ -0,0 +1,95 @@
+package v2
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestDeletionPlan_IsEmpty(t *testing.T) {
+	tests := []struct {
+		name     string
+		plan     *DeletionPlan
+		expected bool
+	}{
+		{
+			name: "empty plan with no resources",
+			plan: &DeletionPlan{
+				ConfigName:      "test-config",
+				AppToDelete:     nil,
+				InstancesToDelete: []InstanceDeletion{},
+			},
+			expected: true,
+		},
+		{
+			name: "plan with app deletion",
+			plan: &DeletionPlan{
+				ConfigName: "test-config",
+				AppToDelete: &AppDeletion{
+					Name:         "test-app",
+					Organization: "test-org",
+					Version:      "1.0",
+					Region:       "US",
+				},
+				InstancesToDelete: []InstanceDeletion{},
+			},
+			expected: false,
+		},
+		{
+			name: "plan with instance deletion",
+			plan: &DeletionPlan{
+				ConfigName:  "test-config",
+				AppToDelete: nil,
+				InstancesToDelete: []InstanceDeletion{
+					{
+						Name:         "test-instance",
+						Organization: "test-org",
+					},
+				},
+			},
+			expected: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := tt.plan.IsEmpty()
+			assert.Equal(t, tt.expected, result)
+		})
+	}
+}
+
+func TestDeletionPlan_GenerateSummary(t *testing.T) {
+	plan := &DeletionPlan{
+		ConfigName: "test-config",
+		AppToDelete: &AppDeletion{
+			Name:         "test-app",
+			Organization: "test-org",
+			Version:      "1.0",
+			Region:       "US",
+		},
+		InstancesToDelete: []InstanceDeletion{
+			{
+				Name:         "test-instance-1",
+				Organization: "test-org",
+				CloudletName: "cloudlet-1",
+				CloudletOrg:  "cloudlet-org",
+			},
+			{
+				Name:         "test-instance-2",
+				Organization: "test-org",
+				CloudletName: "cloudlet-2",
+				CloudletOrg:  "cloudlet-org",
+			},
+		},
+		TotalActions:      3,
+		EstimatedDuration: 30 * time.Second,
+	}
+
+	summary := plan.GenerateSummary()
+
+	assert.Contains(t, summary, "test-config")
+	assert.Contains(t, summary, "DELETE application 'test-app'")
+	assert.Contains(t, summary, "DELETE 2 instance(s)")
+}
diff --git a/sdk/edgeconnect/v2/appinstance.go b/sdk/edgeconnect/v2/appinstance.go
index 57e6b3c..4fb7204 100644
--- a/sdk/edgeconnect/v2/appinstance.go
+++ b/sdk/edgeconnect/v2/appinstance.go
@@ -173,8 +173,9 @@ func (c *Client) DeleteAppInstance(ctx context.Context, appInstKey AppInstanceKe
 	url := c.BaseURL + "/api/v1/auth/ctrl/DeleteAppInst"
 
 	input := DeleteAppInstanceInput{
-		Key: appInstKey,
+		Region: region,
 	}
+	input.AppInst.Key = appInstKey
 
 	resp, err := transport.Call(ctx, "POST", url, input)
 	if err != nil {
diff --git a/sdk/edgeconnect/v2/apps.go b/sdk/edgeconnect/v2/apps.go
index ce5bb76..06d529f 100644
--- a/sdk/edgeconnect/v2/apps.go
+++ b/sdk/edgeconnect/v2/apps.go
@@ -144,9 +144,9 @@ func (c *Client) DeleteApp(ctx context.Context, appKey AppKey, region string) er
 	url := c.BaseURL + "/api/v1/auth/ctrl/DeleteApp"
 
 	input := DeleteAppInput{
-		Key:    appKey,
 		Region: region,
 	}
+	input.App.Key = appKey
 
 	resp, err := transport.Call(ctx, "POST", url, input)
 	if err != nil {
diff --git a/sdk/edgeconnect/v2/types.go b/sdk/edgeconnect/v2/types.go
index 82995e0..0bb6875 100644
--- a/sdk/edgeconnect/v2/types.go
+++ b/sdk/edgeconnect/v2/types.go
@@ -273,13 +273,18 @@ type UpdateAppInstanceInput struct {
 
 // DeleteAppInput represents input for deleting an application
 type DeleteAppInput struct {
-	Key    AppKey `json:"key"`
 	Region string `json:"region"`
+	App    struct {
+		Key AppKey `json:"key"`
+	} `json:"app"`
 }
 
 // DeleteAppInstanceInput represents input for deleting an app instance
 type DeleteAppInstanceInput struct {
-	Key AppInstanceKey `json:"key"`
+	Region  string `json:"region"`
+	AppInst struct {
+		Key AppInstanceKey `json:"key"`
+	} `json:"appinst"`
 }
 
 // Response wrapper types