The Sarsang Reservoir (, ) is a reservoir located de jure between the Tartar and Kalbajar districts of Azerbaijan, de facto in the Martakert Province of the self-proclaimed Republic of Artsakh. The reservoir was formed by the construction of a dam on the Tartar River.Ministry of Ecology of Azerbaijan: Su anbarları Geographical names supplied by National Geospatial-Intelligence Agency: Sərsəng Su Anbarı, Azerbaijan Retrieved on 25 October 2010 The overall volume of the reservoir is 575 million m3.
