Country/territory: Bulgaria
Central coordinates (latitude / longitude): 43°34'27"N (43.5742°) / 028°33'55"E (28.5655°)
Area (reported): 3,195 hectares / 31.95 km² / 7,895 acres / 12.34 square miles
Area (GIS-derived): 3,197 hectares / 31.97 km² / 7,900 acres / 12.34 square miles
Altitude: 0–40 m (0–131 ft)