Country/territory: Bulgaria
Central coordinates (latitude / longitude): 41°38'15"N (41.6375°) / 025°54'07"E (25.9020°)
Area (reported): 3,550 hectares / 35.50 km² / 8,772 acres / 13.71 square miles
Area (GIS-derived): 3,552 hectares / 35.52 km² / 8,777 acres / 13.71 square miles
Altitude: 133–641 m (436–2,103 ft)