Country/territory: Bulgaria
Central coordinates (latitude / longitude): 43°13'27"N (43.2242°) / 023°59'55"E (23.9988°)
Area (reported): 14,209 hectares / 142.09 km² / 35,111 acres / 54.86 square miles
Area (GIS-derived): 14,214 hectares / 142.14 km² / 35,124 acres / 54.88 square miles
Altitude: 102–508 m (335–1,666 ft)