diff --git a/lib/pages/spaces_management/widgets/community_structure_widget.dart b/lib/pages/spaces_management/widgets/community_structure_widget.dart
index 7322caaa..90937f28 100644
--- a/lib/pages/spaces_management/widgets/community_structure_widget.dart
+++ b/lib/pages/spaces_management/widgets/community_structure_widget.dart
@@ -270,6 +270,7 @@ class _CommunityStructureAreaState extends State<CommunityStructureArea> {
       builder: (BuildContext context) {
         return CreateSpaceDialog(
           products: widget.products,
+          parentSpace: parentIndex != null? spaces[parentIndex] : null,
           onCreateSpace: (String name, String icon, List<SelectedProduct> selectedProducts) {
             setState(() {
               // Set the first space in the center or use passed position
diff --git a/lib/pages/spaces_management/widgets/dialogs/create_space_dialog.dart b/lib/pages/spaces_management/widgets/dialogs/create_space_dialog.dart
index 5953951c..eba5096c 100644
--- a/lib/pages/spaces_management/widgets/dialogs/create_space_dialog.dart
+++ b/lib/pages/spaces_management/widgets/dialogs/create_space_dialog.dart
@@ -4,6 +4,7 @@ import 'package:syncrow_web/pages/common/buttons/cancel_button.dart';
 import 'package:syncrow_web/pages/common/buttons/default_button.dart';
 import 'package:syncrow_web/pages/spaces_management/model/product_model.dart';
 import 'package:syncrow_web/pages/spaces_management/model/selected_product_model.dart';
+import 'package:syncrow_web/pages/spaces_management/model/space_model.dart';
 import 'package:syncrow_web/pages/spaces_management/widgets/add_device_type_widget.dart';
 import 'package:syncrow_web/pages/spaces_management/widgets/dialogs/icon_selection_dialog.dart';
 import 'package:syncrow_web/pages/spaces_management/widgets/hoverable_button.dart';
@@ -18,9 +19,11 @@ class CreateSpaceDialog extends StatefulWidget {
   final String? icon;
   final bool isEdit;
   final List<SelectedProduct> selectedProducts;
+  final SpaceModel? parentSpace;
 
   const CreateSpaceDialog(
       {super.key,
+      this.parentSpace,
       required this.onCreateSpace,
       this.products,
       this.name,
@@ -39,6 +42,7 @@ class CreateSpaceDialogState extends State<CreateSpaceDialog> {
   late TextEditingController nameController;
   bool isOkButtonEnabled = false;
   bool isNameFieldInvalid = false;
+  bool isNameFieldExist = false;
 
   @override
   void initState() {
@@ -47,7 +51,6 @@ class CreateSpaceDialogState extends State<CreateSpaceDialog> {
     nameController = TextEditingController(text: widget.name ?? '');
     selectedProducts = widget.selectedProducts.isNotEmpty ? widget.selectedProducts : [];
     isOkButtonEnabled = enteredName.isNotEmpty || nameController.text.isNotEmpty;
-    isNameFieldInvalid = nameController.text.isEmpty;
   }
 
   @override
@@ -116,14 +119,20 @@ class CreateSpaceDialogState extends State<CreateSpaceDialog> {
                         TextField(
                           controller: nameController,
                           onChanged: (value) {
-                            enteredName = value;
+                            enteredName = value.trim();
                             setState(() {
-                              if (value.isNotEmpty) {
-                                isOkButtonEnabled = true;
-                                isNameFieldInvalid = false;
-                              } else {
-                                isNameFieldInvalid = true;
-                                isOkButtonEnabled = false;
+                              isNameFieldExist = false;
+                              isOkButtonEnabled = false;
+                              isNameFieldInvalid = value.isEmpty;
+
+                              if (!isNameFieldInvalid) {
+                                if (widget.parentSpace?.children
+                                        .any((child) => child.name == value) ??
+                                    false) {
+                                  isNameFieldExist = true;
+                                } else {
+                                  isOkButtonEnabled = true;
+                                }
                               }
                             });
                           },
@@ -140,8 +149,9 @@ class CreateSpaceDialogState extends State<CreateSpaceDialog> {
                             enabledBorder: OutlineInputBorder(
                               borderRadius: BorderRadius.circular(10),
                               borderSide: BorderSide(
-                                color:
-                                    isNameFieldInvalid ? ColorsManager.red : ColorsManager.boxColor,
+                                color: isNameFieldInvalid || isNameFieldExist
+                                    ? ColorsManager.red
+                                    : ColorsManager.boxColor,
                                 width: 1.5,
                               ),
                             ),
@@ -165,6 +175,17 @@ class CreateSpaceDialogState extends State<CreateSpaceDialog> {
                                   ?.copyWith(color: ColorsManager.red),
                             ),
                           ),
+                        if (isNameFieldExist)
+                          Padding(
+                            padding: const EdgeInsets.only(top: 8.0),
+                            child: Text(
+                              '*Name already exist',
+                              style: Theme.of(context)
+                                  .textTheme
+                                  .bodySmall
+                                  ?.copyWith(color: ColorsManager.red),
+                            ),
+                          ),
                         const SizedBox(height: 16),
                         if (selectedProducts.isNotEmpty)
                           _buildSelectedProductsButtons(widget.products ?? [])
@@ -269,7 +290,7 @@ class CreateSpaceDialogState extends State<CreateSpaceDialog> {
           spaceIconList: spaceIconList,
           onIconSelected: (String selectedIcon) {
             setState(() {
-              this.selectedIcon = selectedIcon; 
+              this.selectedIcon = selectedIcon;
             });
           },
         );