The Ivaylovgrad Dam(язовир "Ивайловград") is located in the eastern Rhodope Mountains and is situated on the Arda river, Southern Bulgaria. There are another two large dams of the Arda upstream - Kardzhali Dam and Studen Kladenets Dam to the west of Ivaylovgrad Dam.
The dam creates Ivaylovgrad reservoir, which has a total volume of 157,000,000 m (127,000 acre⋅ft) and a drainage basin of 5,128 km (1,980 sq mi). It is situated at an average 120 m above sea level, its dam being 250 m (820 ft) long and 73 m (240 ft) high. The top of the dam consists of six spillways, totaling 83.5 m (274 ft) m in length.