GDS/Switch codes
Amadeus:ON ISTGDH
Sabre:ON 148409
Galileo:ON 20858
Worldspan:ON ISTGD
GRAND DURMAZ HOTEL
Atatürk Bulvarı Kemalpaşa Mahallesi No:4 Aksaray/Fatih - İstanbul
Phone : +90 0212 512 47 47
Fax : +90 0212 526 19 19
E-mail :info@granddurmazhotel.com