Country/territory: China (mainland)
Central coordinates (latitude / longitude): 39°31'00"N (39.5167°) / 123°01'59"E (123.0333°)
Area (reported): 100 hectares / 1.00 km² / 247 acres / 0.39 square miles
Area (GIS-derived): 2 hectares / 0.02 km² / 5 acres / 0.01 square miles
Altitude: 0–43 m (0–141 ft)