UnivatePropertiesAPI/UnivateProperties_API/Model/Region/Suburb.cs

using System.ComponentModel.DataAnnotations.Schema;

namespace UnivateProperties_API.Model.Region
{
    public class Suburb : BaseEntity
    {
        #region Properties
        [ForeignKey("City")]
        public int CityId { get; set; }
        public string Description { get; set; }
        public string PostalCode { get; set; }

        public virtual City City { get; set; }
        #endregion 
    }
}