Country/territory: Bulgaria
Central coordinates (latitude / longitude): 42°33'29"N (42.5583°) / 023°16'07"E (23.2687°)
Area (reported): 27,111 hectares / 271.11 km² / 66,993 acres / 104.68 square miles
Area (GIS-derived): 27,127 hectares / 271.27 km² / 67,032 acres / 104.74 square miles
Altitude: 734–2290 m (2,408–7,512 ft)