Vardenis (Armenian:Վարդենիս), is a town at the southeastern part of the Gegharkunik Province of Armenia. The current territory of Vardenis was formerly known as Vasakashen, Voskeshen, and later Basargechar until 1969, when it was renamed Vardenis.

The town is located in the valley of the Masrik River, on the territory of the Masrik artesian basin at 1,943 metres (6,375 feet) above sea level. It is 170 kilometres (110 miles) from the capital Yerevan, and 75 kilometres (47 mi) from the provincial centre Gavar. The administrative territory of Vardenis comprises 3,006 hectares (7,430 acres), of which 736 hectares (1,820 acres) is occupied by the town itself. Vardenis got its status as an urban settlement in 1995.