Orta Mahalle Anit Sokak No.1 BayrIstanbul, Turkey 34040 Phone: +90 212-942-2700Fax: +90 212-942-2727Toll Free: +800-222-TREE Hotel E-mailHotel Website Commission Rooms Rates 10% 216 - Hoteliers! Is your information accurate? Update Here DoubleTree by Hilton Istanbul Topkapi Location & Neighborhood on the European side of Istanbul - 40 KM, 40 min from Istanbul airport.