Lake Bileća
Lake Bileća on the river Trebišnjica near Bileća is the largest artificial reservoir in the Balkans. The surface of the lake is about 33 km2, depending on the water level. At the bottom of the lake is an abandoned village, which was evacuated during the construction of the hydroelectric power plant. The greatest depth of Lake Bileća is 104 m, and it is located at about 400 m above sea level.
The necropolis of stećak in Bileća is the largest artificial necropolis of stećak on the Balkan Peninsula