Country/territory: Bulgaria
Central coordinates (latitude / longitude): 41°45'34"N (41.7595°) / 025°01'43"E (25.0287°)
Area (reported): 83,616 hectares / 836.16 km² / 206,620 acres / 322.84 square miles
Area (GIS-derived): 83,672 hectares / 836.72 km² / 206,758 acres / 323.06 square miles
Altitude: 285–1989 m (935–6,524 ft)