Maritime claims:
territorial sea: 12 nm; between 3 nm and 12 nm in the international straits - La Perouse or Soya, Tsugaru, Osumi, and Eastern and Western Channels of the Korea or Tsushima Strait
contiguous zone: 24 nm
exclusive economic zone: 200 nm
Climate:
varies from tropical in south to cool temperate in north
Terrain:
mostly rugged and mountainous
Elevation extremes:
lowest point: Hachiro-gata -4 m