diff --git a/lib/pages/device_managment/all_devices/models/device_subspace.model.dart b/lib/pages/device_managment/all_devices/models/device_subspace.model.dart
new file mode 100644
index 00000000..dc2386de
--- /dev/null
+++ b/lib/pages/device_managment/all_devices/models/device_subspace.model.dart
@@ -0,0 +1,47 @@
+class DeviceSubspace {
+  final String uuid;
+  final DateTime? createdAt;
+  final DateTime? updatedAt;
+  final String subspaceName;
+  final bool disabled;
+
+  DeviceSubspace({
+    required this.uuid,
+    this.createdAt,
+    this.updatedAt,
+    required this.subspaceName,
+    required this.disabled,
+  });
+
+  factory DeviceSubspace.fromJson(Map<String, dynamic> json) {
+    return DeviceSubspace(
+      uuid: json['uuid'] as String,
+      createdAt: json['createdAt'] != null
+          ? DateTime.tryParse(json['createdAt'].toString())
+          : null,
+      updatedAt: json['updatedAt'] != null
+          ? DateTime.tryParse(json['updatedAt'].toString())
+          : null,
+      subspaceName: json['subspaceName'] as String,
+      disabled: json['disabled'] as bool,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'uuid': uuid,
+      'createdAt': createdAt?.toIso8601String(),
+      'updatedAt': updatedAt?.toIso8601String(),
+      'subspaceName': subspaceName,
+      'disabled': disabled,
+    };
+  }
+
+  static List<DeviceSubspace> listFromJson(List<dynamic> jsonList) {
+    return jsonList.map((json) => DeviceSubspace.fromJson(json)).toList();
+  }
+
+  static List<Map<String, dynamic>> listToJson(List<DeviceSubspace> subspaces) {
+    return subspaces.map((subspace) => subspace.toJson()).toList();
+  }
+}
diff --git a/lib/pages/device_managment/all_devices/models/devices_model.dart b/lib/pages/device_managment/all_devices/models/devices_model.dart
index b7e4f010..576e895f 100644
--- a/lib/pages/device_managment/all_devices/models/devices_model.dart
+++ b/lib/pages/device_managment/all_devices/models/devices_model.dart
@@ -1,5 +1,6 @@
 import 'package:syncrow_web/pages/device_managment/all_devices/models/device_community.model.dart';
 import 'package:syncrow_web/pages/device_managment/all_devices/models/device_space_model.dart';
+import 'package:syncrow_web/pages/device_managment/all_devices/models/device_subspace.model.dart';
 import 'package:syncrow_web/pages/device_managment/all_devices/models/room.dart';
 import 'package:syncrow_web/pages/device_managment/all_devices/models/unit.dart';
 import 'package:syncrow_web/pages/routiens/models/ac/ac_function.dart';
@@ -47,6 +48,7 @@ class AllDevicesModel {
 */
 
   DevicesModelRoom? room;
+  DeviceSubspace? subspace;
   DevicesModelUnit? unit;
   DeviceCommunityModel? community;
   String? productUuid;
@@ -77,6 +79,7 @@ class AllDevicesModel {
 
   AllDevicesModel({
     this.room,
+    this.subspace,
     this.unit,
     this.community,
     this.productUuid,
@@ -110,6 +113,9 @@ class AllDevicesModel {
     room = (json['room'] != null && (json['room'] is Map))
         ? DevicesModelRoom.fromJson(json['room'])
         : null;
+    subspace = (json['subspace'] != null && (json['subspace'] is Map))
+        ? DeviceSubspace.fromJson(json['subspace'])
+        : null;
     unit = (json['unit'] != null && (json['unit'] is Map))
         ? DevicesModelUnit.fromJson(json['unit'])
         : null;
@@ -288,6 +294,9 @@ SOS
     if (room != null) {
       data['room'] = room!.toJson();
     }
+    if (subspace != null) {
+      data['subspace'] = subspace!.toJson();
+    }
     if (unit != null) {
       data['unit'] = unit!.toJson();
     }
@@ -330,6 +339,7 @@ SOS
 
     return other is AllDevicesModel &&
         other.room == room &&
+        other.subspace == subspace &&
         other.unit == unit &&
         other.productUuid == productUuid &&
         other.productType == productType &&
@@ -360,6 +370,7 @@ SOS
   @override
   int get hashCode {
     return room.hashCode ^
+        subspace.hashCode ^
         unit.hashCode ^
         productUuid.hashCode ^
         productType.hashCode ^
diff --git a/lib/pages/device_managment/shared/device_control_dialog.dart b/lib/pages/device_managment/shared/device_control_dialog.dart
index aa1153af..7304dd07 100644
--- a/lib/pages/device_managment/shared/device_control_dialog.dart
+++ b/lib/pages/device_managment/shared/device_control_dialog.dart
@@ -95,8 +95,9 @@ class DeviceControlDialog extends StatelessWidget with RouteControlsBasedCode {
           ]),
           TableRow(
             children: [
-              _buildInfoRow('Space Name:', device.unit?.name ?? 'N/A'),
-              _buildInfoRow('Room:', device.room?.name ?? 'N/A'),
+              _buildInfoRow('Space Name:',
+                  device.spaces?.firstOrNull?.spaceName ?? 'N/A'),
+              _buildInfoRow('Room:', device.subspace?.subspaceName ?? 'N/A'),
             ],
           ),
           TableRow(
@@ -111,9 +112,13 @@ class DeviceControlDialog extends StatelessWidget with RouteControlsBasedCode {
               ),
               _buildInfoRow(
                 'Battery Level:',
-                device.batteryLevel != null ? '${device.batteryLevel ?? 0}%' : "-",
+                device.batteryLevel != null
+                    ? '${device.batteryLevel ?? 0}%'
+                    : "-",
                 statusColor: device.batteryLevel != null
-                    ? (device.batteryLevel! < 20 ? ColorsManager.red : ColorsManager.green)
+                    ? (device.batteryLevel! < 20
+                        ? ColorsManager.red
+                        : ColorsManager.green)
                     : null,
               ),
             ],
diff --git a/lib/pages/spaces_management/all_spaces/model/subspace_model.dart b/lib/pages/spaces_management/all_spaces/model/subspace_model.dart
index 2c86523f..a89ec409 100644
--- a/lib/pages/spaces_management/all_spaces/model/subspace_model.dart
+++ b/lib/pages/spaces_management/all_spaces/model/subspace_model.dart
@@ -1,5 +1,6 @@
 import 'package:syncrow_web/pages/spaces_management/all_spaces/model/product_model.dart';
 import 'package:syncrow_web/utils/constants/action_enum.dart';
+import 'package:uuid/uuid.dart';
 
 import 'tag.dart';
 
@@ -8,19 +9,24 @@ class SubspaceModel {
   String subspaceName;
   final bool disabled;
   List<Tag>? tags;
+  String internalId;
 
   SubspaceModel({
     this.uuid,
     required this.subspaceName,
     required this.disabled,
     this.tags,
-  });
+    String? internalId,
+  }) : internalId = internalId ?? const Uuid().v4();
 
   factory SubspaceModel.fromJson(Map<String, dynamic> json) {
+    final String internalId = json['internalId'] ?? const Uuid().v4();
+
     return SubspaceModel(
       uuid: json['uuid'] ?? '',
       subspaceName: json['subspaceName'] ?? '',
       disabled: json['disabled'] ?? false,
+      internalId: internalId,
       tags: (json['tags'] as List<dynamic>?)
               ?.map((item) => Tag.fromJson(item))
               .toList() ??
@@ -43,7 +49,7 @@ class UpdateSubspaceModel {
   final Action action;
   final String? subspaceName;
   final List<UpdateTag>? tags;
- UpdateSubspaceModel({
+  UpdateSubspaceModel({
     required this.action,
     required this.uuid,
     this.subspaceName,
@@ -107,4 +113,4 @@ class UpdateTag {
       'product': product?.toMap(),
     };
   }
-}
\ No newline at end of file
+}
diff --git a/lib/pages/spaces_management/all_spaces/widgets/dialogs/create_space_dialog.dart b/lib/pages/spaces_management/all_spaces/widgets/dialogs/create_space_dialog.dart
index 405ccd92..ada60850 100644
--- a/lib/pages/spaces_management/all_spaces/widgets/dialogs/create_space_dialog.dart
+++ b/lib/pages/spaces_management/all_spaces/widgets/dialogs/create_space_dialog.dart
@@ -358,10 +358,21 @@ class CreateSpaceDialogState extends State<CreateSpaceDialog> {
                                           SubspaceNameDisplayWidget(
                                             text: subspace.subspaceName,
                                             validateName: (updatedName) {
-                                              return subspaces!.any((s) =>
-                                                  s != subspace &&
-                                                  s.subspaceName ==
-                                                      updatedName);
+                                              bool nameExists =
+                                                  subspaces!.any((s) {
+                                                bool isSameId = s.internalId ==
+                                                    subspace.internalId;
+                                                bool isSameName = s.subspaceName
+                                                        .trim()
+                                                        .toLowerCase() ==
+                                                    updatedName
+                                                        .trim()
+                                                        .toLowerCase();
+
+                                                return !isSameId && isSameName;
+                                              });
+
+                                              return !nameExists;
                                             },
                                             onNameChanged: (updatedName) {
                                               setState(() {