Karaköy ("Black Village" in Turkish), the modern name for the old Galata, is a commercial quarter in the Beyo?lu district of Istanbul, Turkey, 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. The Galata Bridge links Karaköy to Eminönü to the southwest, Tersane Street links it to Azapkap? to the west, Voyvoda Street (Bankalar Caddesi) links it to ?i?hane to the northwest, the steeply sloping Yüksek Kald?r?m Street links it to Pera in the north, and Kemeralt? Street and Necatibey Street link it o Tophane to the northeast.

The commercial quarter, which was originally the meeting place for banks and insurance companies in the 19th century, is today also home to mechanical, electrical, plumbing and electronic parts suppliers.