Harbiye Mah. Taskisla Caddesi No:1 SisliIstanbul, Turkey 34367 Phone: +90 212-368-1234Fax: +90 212-368-1000Toll Free: +800-233-1234 Hotel E-mailHotel Website Classification 9 Deluxe Commission Rooms Rates 10% 360 $232-$522 (USD) Hoteliers! Is your information accurate? Update Here Grand Hyatt Istanbul Location & Neighborhood 20 KM from Istanbul airport. 400 KM from AnkaraNearest Cross Street: Cumhuriyet