Country/territory: China (mainland)
Central coordinates (latitude / longitude): 27°52'59"N (27.8833°) / 120°50'59"E (120.8500°)
Area (reported): 12,400 hectares / 124.00 km² / 30,641 acres / 47.88 square miles
Area (GIS-derived): 11,115 hectares / 111.15 km² / 27,466 acres / 42.92 square miles
Altitude: 0–5 m (0–16 ft)