Dolmabahçe Palace located in the Beşiktaş district of Istanbul, Turkey, on the European coast of the Bosporus strait, served as the main administrative center of the Ottoman Empire from 1856 to 1887 and from 1909 to 1922.

Beşiktaş is a district and municipality of Istanbul Province, Turkey. Its area is 18 km2 and its population is 175,190 (2022). It is located on the European shore of the Bosphorus strait. It is bordered on the north by Sarıyer and Şişli, on the west by Kağıthane and Şişli, on the south by Beyoğlu, and on the east by the Bosphorus. Directly across the Bosphorus is the district of Üsküdar.