diff --git a/OpenAPI/TS28623_ComDefs.yaml b/OpenAPI/TS28623_ComDefs.yaml
index 71d88b74d0956d83d5ecb38b1ed1e1497e54a6b8..5cbcd1a82939623174374be5e2b438835addd031 100755
--- a/OpenAPI/TS28623_ComDefs.yaml
+++ b/OpenAPI/TS28623_ComDefs.yaml
@@ -58,7 +58,16 @@ components:
       format: float
       minimum: -180
       maximum: 180
-
+    GeoCircle:
+      description: This datatype is specifies the geographical area for NTN
+      type: object
+      properties:
+        referenceLocation:
+          $ref: '#/components/schemas/GeoCoordinate'
+        distanceRadius:
+          type: integer
+          minimum: 1
+          maximum: 65535
     Dn:
       description: This datatype is used for writable attribute
       type: string
@@ -166,6 +175,10 @@ components:
               items:
                 $ref: '#/components/schemas/GeoCoordinate'
               minItems: 1
+        - type: object
+          properties:
+            geoCircle:
+              $ref: '#/components/schemas/GeoCircle'
     GeoAreaToCellMapping:
       type: object
       properties:
diff --git a/OpenAPI/TS28623_GenericNrm.yaml b/OpenAPI/TS28623_GenericNrm.yaml
index 82befbe22599d5c8c7018210095886e032bedbe5..27004950e17c098320ab07534bada76d33a1463d 100755
--- a/OpenAPI/TS28623_GenericNrm.yaml
+++ b/OpenAPI/TS28623_GenericNrm.yaml
@@ -199,6 +199,14 @@ components:
               type: array
               items:
                 $ref: '#/components/schemas/NpnId-Type'
+        - type: object
+          properties: 
+            nTNGeoAreaList:
+              type: array
+              items:
+                $ref: 'TS28623_ComDefs.yaml#/components/schemas/GeoArea'
+              minItems: 1
+              maxItems: 8
         - type: array
           items:
             $ref: '#/components/schemas/NpnId-Type'