6. Kuybyshev Reservoir
Volume: 57.3 km3 (15th)
Surface Area: 6,450 km2 – 2,490 sq mi (3rd)
Kuybyshev Reservoir is often called Samara Reservoir due to its location in Samara district. It is Europe’s largest manmade lake and third in the world by water volume it holds. It was created I 1957 by damming the Volga.