Country/territory: Bulgaria
Central coordinates (latitude / longitude): 42°35'10"N (42.5863°) / 027°27'15"E (27.4542°)
Area (reported): 7,209 hectares / 72.09 km² / 17,814 acres / 27.83 square miles
Area (GIS-derived): 7,213 hectares / 72.13 km² / 17,824 acres / 27.85 square miles
Altitude: 0–189 m (0–620 ft)