Country/territory: Japan
Central coordinates (latitude / longitude): 32°43'59"N (32.7333°) / 132°33'00"E (132.5500°)
Area (reported): 1,200 hectares / 12.00 km² / 2,965 acres / 4.63 square miles
Area (GIS-derived): 1,208 hectares / 12.08 km² / 2,985 acres / 4.66 square miles
Altitude: 0–404 m (0–1,325 ft)