Photos Luxury Hotel. Situated in the center of Nisantasi neighbourhood, The St. Regis Istanbul offers signature 24-hour St. Regis Butler Assistance and elegantly decorated rooms with air conditioning. The residence has an indoor pool along with a terrace with city watch. Free WiFi entry is obtainable all through the premises. https://click4r.com/posts/g/17886931/facts-about-the-best-hotel-in-istanbul-5-star-revealed