Lake Bardzruni is located in the Vayots Dzor region of Armenia, on the northwestern slope of the Hayots Dzor mountain range, 3 km east of Bardzruni village, on the border with Nakhichevan, at an altitude of 2,760 m above sea level. The length of the shoreline is 500 m. Sers and Martiros villages are located near the lake.