Karaköy, the modern name for the old Galata, is a commercial quarter in the Beyoğlu district of Istanbul, Turkey. It is located at the northern part of the Golden Horn mouth on the European side of Bosphorus. Karaköy is one of the oldest and most historic districts of the city, and is today an important commercial center and transport hub. It is connected with the surrounding neighborhoods by streets radiating out from Karaköy Square.
