diff --git a/src/controllers/departmentController.js b/src/controllers/departmentController.js
index 14df550a..bfe1aa40 100644
--- a/src/controllers/departmentController.js
+++ b/src/controllers/departmentController.js
@@ -719,7 +719,6 @@ exports.getZonebasedLocations = async (req, reply) => {
     }
   };
   
-
   const getZonesByCitys = async (city) => {
     try {
       const result = await City.aggregate([
@@ -732,30 +731,36 @@ exports.getZonebasedLocations = async (req, reply) => {
         {
           $match: {
             city: { $regex: `^${city.trim()}$`, $options: "i" }, // Trim & case-insensitive
-          },
+          }
         },
         {
           $group: {
             _id: { $toUpper: "$city" }, // Normalize city name
-            zones: { $addToSet: "$zone" }, // Collect unique zones
-          },
+            zones: { $addToSet: "$zone" } // Collect unique zones
+          }
         },
         {
           $project: {
             _id: 0, // Exclude _id
             city: "$_id", // Return city name
-            zones: 1, // Return collected zones
-          },
-        },
+            zones: 1 // Return collected zones (no sorting in aggregation)
+          }
+        }
       ]);
   
+      // Sort the zones array in ascending order
+      result.forEach(item => {
+        item.zones.sort((a, b) => a - b); // Ensure zones are sorted numerically
+      });
+  
       return result;
     } catch (err) {
-      console.error(err);
+      console.error("Error fetching zones:", err); // Detailed error logging
       throw new Error("Error fetching zones.");
     }
   };
   
+  
   exports.getZonesByCity = async (req, reply) => {
     try {
       const { city } = req.params;
@@ -765,6 +770,11 @@ exports.getZonebasedLocations = async (req, reply) => {
       }
   
       const zones = await getZonesByCitys(city.trim()); // Trim input
+  
+      if (zones.length === 0) {
+        return reply.status(404).send({ message: "No zones found for the specified city." });
+      }
+  
       reply.send({ status_code: 200, data: zones });
     } catch (err) {
       reply.status(500).send({ message: err.message });
@@ -772,6 +782,7 @@ exports.getZonebasedLocations = async (req, reply) => {
   };
   
   
+  
 
   const getDepartmentsByName = async (departmentName) => {
     try {