Gholhak is a neighborhood located in District 3 of Tehran Municipality. It is bounded on the east by the Darrous neighborhood (Fakourian Street), on the west by the Gholhak River, on the north by the British Embassy Garden, and on the south by the Pourmeshkani Street and Zafar Street (Dastgerdi). The area has had several aqueducts since ancient times, some of which are still in use.