Arnavutköy is a neighborhood situated within the municipality and district of Beşiktaş in the Istanbul Province of Turkey. It is located on the European shoreline of the Bosphorus strait, positioned between the neighborhoods of Ortaköy and Bebek.
The area is characterized by its historic wooden Ottoman mansions and numerous seafood restaurants. Additionally, it is notable for housing the campus of Robert College, which features several historic buildings. As of 2022, the neighborhood has a population of 3,574 residents.