This hotel is located in the Nisantasi district and thus lies in the European side of Istanbul. The bedrooms in this hotel have a warm feeling and are decorated with copper and aluminium Art Decos. All rooms have a butler service. The hotel has a top-level restaurant and bar, but visitors can also choose to visit the many dining areas in the surrounding places. St. Regis Istanbul has seven floors, all of which are creatively designed with natural materials and excellent art. In the basement is an Iridium spa with seven massage rooms and a hammam.