WEBGeography of Japan; Continent: Asia: Region: East Asia: Coordinates: Area: Ranked 62nd • Total: 377,973.89 km 2 (145,936.53 sq mi) • Land: 87.93099% • Water: 12.06901%: Coastline: 29,751 km (18,486 mi) Borders: None: Highest point: Mount Fuji 3,776 m (12,388 ft) Lowest point: Hachirōgata −4 m (−13 ft)