The White Sea lies wholly within European Russia. It is located in the Russian north-west, bounded by the Kola peninsula (to the North); Arkhangel'sk (Archangel) lies on its eastern coast.

The Yellow Sea lies wholly within Asia: It has China on its western coast and the Korean peninsula on its eastern coast.

The Black Sea, bordered by Ukraine, Russia, Turkey and other countries, has a European coast to the west and an Asian coast to the south and east.

The Red Sea has an African coast to the west (Egypt, Sudan, Eritrea) and an Asian coast to the east (Saudi Arabia, Yemen).

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