UnivateProperties_API/Containers/Timeshare/Detailed/DetailedWeekDto.cs

             Mandate = week.Mandate;
             Status = week.Status.Display;
             Owner = week.Owner != null ? new DetailedOwner(week.Owner) : new DetailedOwner();
+            Region = new RegionDto(week.Region.Code, week.Region.Description);
         }
 
         public int Id { get; set; }
         public bool Mandate { get; set; }
         public string Status { get; set; }
         public DetailedOwner Owner { get; set; }
+        public RegionDto Region { get; set; }
     }
 }

UnivateProperties_API/Controllers/Timeshare/TimeshareWeekController.cs

             }
         }
 
-        [HttpPut("{id}")]
+        [HttpPut]
         public IActionResult Put([FromBody] TimeshareWeek item)
         {
             if (item != null)