Oceans and seas within region
- identified using the 'Limits of Oceans and Seas', International Hydrographic Organisation Special Publication No.23; spatial data available here
South China Sea, Eastern China Sea, Yellow Sea, Inland Sea, Philippine Sea, Japan Sea, Sea of Okhotsk, Bering Sea, North Pacific Ocean
Countries within region
- identified using identified using VLIZ (2009). Maritime Boundaries Geodatabase. Available here
China, Hong Kong (China), Japan, Korea, North, Korea, South, Macau (China), Marcus Island (Japan), Ogasawara Islands (Japan), Russia, Ryukyu Islands (Japan), Satsunan Islands (Japan), Taiwan (China)