2) Kamchatka. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...A peninsula of eastern Russia between the Sea of Okhotsk and the Bering Sea. It was first explored in the 18th century....

3) Sakhalin. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...An island of southeast Russia in the Sea of Okhotsk north of Hokkaido, Japan. Colonized by Russia and Japan in the 18th and 19th centuries, it passed under Russian...

4) La Perouse Strait. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...Pacific Ocean between Sakhalin Island and northern Hokkaido, Japan, connecting the Sea of Okhotsk with the Sea of Japan....

5) Tatar Strait. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...Sakhalin Island and the mainland. It connects the Sea of Japan on the south with the Sea of Okhotsk on the north....

6) Japan, Sea of (East Sea). The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...Several straits connect it with the East China Sea, the Pacific Ocean, and the Sea of Okhotsk....