Beşiktaş is a district and municipality of Istanbul, 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.