Country/territory: Bulgaria
Central coordinates (latitude / longitude): 41°32'40"N (41.5447°) / 023°48'38"E (23.8108°)
Area (reported): 20,421 hectares / 204.21 km² / 50,461 acres / 78.85 square miles
Area (GIS-derived): 20,435 hectares / 204.35 km² / 50,496 acres / 78.90 square miles
Altitude: 405–1241 m (1,329–4,071 ft)