Arnavutköy is a neighbourhood in the municipality and district of Beşiktaş, Istanbul Province, Turkey. Its population is 3,574 (2022). It is renowned for its wooden Ottoman mansions and seafood restaurants, as well as for the campus of the prestigious Robert College with its historic buildings. It is part of the Beşiktaş district of Istanbul, and is located between Ortaköy and Bebek on the European shoreline of the Bosphorus strait.

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.