border countries: China 1,416 km, South Korea 238 km, Russia 19 km
Coastline:
2,495 km
Maritime claims:
territorial sea: 12 nm
exclusive economic zone: 200 nm
note: military boundary line 50 nm in the Sea of Japan and the exclusive economic zone limit in the Yellow Sea where all foreign vessels and aircraft without permission are banned
Climate:
temperate with rainfall concentrated in summer
Terrain: