Country/territory: Bulgaria
Central coordinates (latitude / longitude): 42°58'50"N (42.9808°) / 024°18'58"E (24.3162°)
Area (reported): 45,472 hectares / 454.72 km² / 112,364 acres / 175.57 square miles
Area (GIS-derived): 45,490 hectares / 454.90 km² / 112,408 acres / 175.64 square miles
Altitude: 245–1479 m (804–4,851 ft)