ERP_Distribution/Distribution/Models/RegionalTarget.cs

using System.ComponentModel.DataAnnotations.Schema;

namespace Distribution.Models
{
    public class RegionalTarget : Template
    {
        public Guid FK_RegionId { get; set; }
        [ForeignKey("FK_RegionId")]
        public Region Region { get; set; }

        public string Period { get; set; }
        public decimal TargetValue { get; set; }
    }
}