Asia – Wikipedia, the free encyclopediaAsia is defined as comprising the eastwards four-fifths of Eurasia. It is located to the east of the Suez Canal, the Ural River, and the Ural Mountains, and south of the Caucasus Mountains (or the Kuma-Manych Depression) and the Caspian and Black Seas. It is bounded on the east by the Pacific Ocean, on the south by the Indian Ocean and on the north by the Arctic Ocean.