- Location: The East Sea (known internationally and predominantly as the Sea of Japan) is a marginal sea of the western Pacific Ocean located in East Asia.
- Borders: It is bordered by the Japanese archipelago (Honshu, Hokkaido, and Kyushu) and Sakhalin Island, the Korean Peninsula and the Russian mainland (Primorsky Krai).
- Connections: It connects to neighboring seas and the Pacific Ocean via several narrow straits, including the Korea Strait, Tsugaru Strait, La Pérouse (Sōya) Strait, and the Strait of Tartary.
- Major Ocean Basins: Japan Basin, Yamato Basin, and Tsushima Basin.

Source: The Hindu