diff --git a/backend/bloom/routers/v1/metrics.py b/backend/bloom/routers/v1/metrics.py
index 1a70c78f..732c54a7 100644
--- a/backend/bloom/routers/v1/metrics.py
+++ b/backend/bloom/routers/v1/metrics.py
@@ -49,22 +49,28 @@ async def read_metrics_vessels_in_activity_total(request: Request,
     
     return jsonable_encoder(payload)
 
+
 @router.get("/metrics/zone-visited")
 @cache
-async def read_zone_visited_total(request: Request,
-                                           datetime_range: DatetimeRangeRequest = Depends(),
-                                           pagination: PageParams = Depends(),
-                                           order: OrderByRequest = Depends(),
-                                           caching: CachedRequest = Depends(),
-                                           key: str = Depends(X_API_KEY_HEADER),):
+async def read_zone_visited_total(
+    request: Request,
+    datetime_range: DatetimeRangeRequest = Depends(),
+    category: Optional[str] = None,
+    pagination: PageParams = Depends(),
+    order: OrderByRequest = Depends(),
+    caching: CachedRequest = Depends(),
+    key: str = Depends(X_API_KEY_HEADER),
+):
     check_apikey(key)
     use_cases = UseCases()
     MetricsService=use_cases.metrics_service()
     payload=MetricsService.getZoneVisited(datetime_range=datetime_range,
+                                          category=category,
                                                 pagination=pagination,
                                                 order=order)
     return jsonable_encoder(payload)
 
+
 @router.get("/metrics/zones/{zone_id}/visiting-time-by-vessel")
 @cache
 async def read_metrics_zone_visiting_time_by_vessel(request: Request,
@@ -85,7 +91,7 @@ async def read_metrics_zone_visiting_time_by_vessel(request: Request,
     return jsonable_encoder(payload)
 
 @router.get("/metrics/vessels/time-by-zone")
-#@cache
+# @cache
 async def read_metrics_all_vessels_visiting_time_by_zone(request: Request,
                                             vessel_id: Optional[int] = None,
                                             category: Optional[str] = None,
@@ -104,4 +110,4 @@ async def read_metrics_all_vessels_visiting_time_by_zone(request: Request,
                                                 order=order,
                                                 category=category,
                                                 sub_category=sub_category)
-    return jsonable_encoder(payload)
\ No newline at end of file
+    return jsonable_encoder(payload)
diff --git a/backend/bloom/services/metrics.py b/backend/bloom/services/metrics.py
index 20a2d3a1..6b1a185d 100644
--- a/backend/bloom/services/metrics.py
+++ b/backend/bloom/services/metrics.py
@@ -71,7 +71,9 @@ def getVesselsInActivity(self,
     def getZoneVisited(self,
                         datetime_range: DatetimeRangeRequest,
                         pagination: PageParams,
-                        order: OrderByRequest):
+                        order: OrderByRequest,
+                        category: Optional[str]=None,
+                        ):
         payload=[]
         with self.session_factory() as session:
             stmt=select(
@@ -84,9 +86,11 @@ def getZoneVisited(self,
                 .where(
                     or_(
                         sql_model.Segment.timestamp_start.between(datetime_range.start_at,datetime_range.end_at),
-                        sql_model.Segment.timestamp_end.between(datetime_range.start_at,datetime_range.end_at),)
+                        sql_model.Segment.timestamp_end.between(datetime_range.start_at,datetime_range.end_at))
                 )\
                 .group_by(sql_model.Zone.id)
+            if (category):
+                stmt = stmt.where(sql_model.Zone.category == category)
             stmt =  stmt.order_by(func.sum(sql_model.Segment.segment_duration).asc())\
                     if  order.order == OrderByEnum.ascending \
                     else stmt.order_by(func.sum(sql_model.Segment.segment_duration).desc())