Negidals are an Indigenous ethnic group in the Khabarovsk Krai in Russia, who live along the Amgun River and Amur River.

The Sea of Okhotsk Coast is split into natural major parts according to the delineation of the Sea of Okhotsk: its northwestern part, which is part of the mainland of Eastern Siberia, the west coast of the Kamchatka Peninsula (Russia), the coasts of the Kuril Islands, the northeastern coast of Hokkaido (Japan), the north and east coasts of Sakhalin (Russia), as well as the coasts of the inner islands.