Çırağan Palace, a former Ottoman palace, is now a five-star hotel in the Kempinski Hotels chain. It is located on the European shore of the Bosporus, between Beşiktaş and Ortaköy in Istanbul, Turkey.
The Sultan’s Suite, billed at US$35,419.68 per night, is ranked number 14 on World's 15 most expensive hotel suites compiled by CNN Go in 2012.
Wikipedia https://en.wikipedia.org/wiki/Çırağan_Palace
Address 32A Çırağan Caddesi, Beşiktaş 34349, Turkey
Coordinates 41°2'36.486" N 29°0'55.11" E