Alemdag Cad, Site Yolu Sok 20 UmraniyeIstanbul, Turkey 34768 Phone: +90 216-634-1632Fax: +90 216-631-2020Toll Free: +844-382-2267 Hotel E-mailHotel Website Classification 6 First Class Commission Rooms Rates 10% 124 - Hoteliers! Is your information accurate? Update Here Mercure Istanbul Umraniye Location & Neighborhood 31 KM from Sabiha Gokcen airport.