Hasankeyf — Tigris gorge 37.71,41.41

Hasankeyf is a town located along the Tigris, in the Hasankeyf District, Batman Province, Turkey. It was declared a natural conservation area by Turkey in 1981. Despite local and international objections, the city and its archaeological sites have been flooded as part of the Ilısu Dam project. By 1 April 2020, water levels reached an elevation of 498.2 meters, covering the whole town. The town had a population of 4,329 in 2021.