public IActionResult Get()
 {
     try
     {
         List <Region> allRegions = regionManagement.GetAllRegions();
         return(Ok(RegionForResponseModel.ToModel(allRegions)));
     }
     catch (ClientBusinessLogicException e)
     {
         return(NotFound(e.Message));
     }
     catch (ServerBusinessLogicException e)
     {
         return(StatusCode(StatusCodes.Status500InternalServerError, e.Message));
     }
 }