Country/territory: Bulgaria
Central coordinates (latitude / longitude): 43°39'52"N (43.6647°) / 028°32'52"E (28.5478°)
Area (reported): 3,356 hectares / 33.56 km² / 8,293 acres / 12.96 square miles
Area (GIS-derived): 3,357 hectares / 33.57 km² / 8,295 acres / 12.96 square miles
Altitude: 0–46 m (0–151 ft)