The Fountain of Sultan Ahmed III (Ahmet Çeşmesi) is a Turkish rococo structure located in the great square in front of the Imperial Gate of Topkapı Palace. It was built under Ottoman Sultan Ahmed III in 1728. It was a social centre and gathering place during Ottoman period Constantinople. The fountain is a block with five small domes. Mihrab-shaped niches each contain a drinking fountain (çeşme). The water is supplied from an octagonal pool inside the kiosk.