Photos Luxury Hotel. Situated in the guts of Nisantasi neighbourhood, The St. Regis Istanbul presents signature 24-hour St. Regis Butler Services and elegantly decorated rooms with air-con. The assets has an indoor pool plus a terrace with city perspective. Free of charge WiFi access is accessible all through the premises. https://www.pdc.edu/?URL=https://5starhotelsinistanbulturkey.com/