Country/territory: China (mainland)
Central coordinates (latitude / longitude): 28°08'59"N (28.1500°) / 121°16'59"E (121.2833°)
Area (reported): 4,300 hectares / 43.00 km² / 10,626 acres / 16.60 square miles
Area (GIS-derived): 3,773 hectares / 37.73 km² / 9,323 acres / 14.57 square miles
Altitude: 0–5 m (0–16 ft)