| a strait between Sakhalin Island and the Asian mainland, in the NW Pacific Ocean, connecting the Sea of Japan and the Sea of Okhotsk. 393 mi. (632 km) long, narrowing to 5 mi. (7 km) wide. |
| Tatar Strait A channel of southeast Russia between Sakhalin Island and the mainland. It connects the Sea of Japan on the south with the Sea of Okhotsk on the north. |