Two continents make direct contact with Asia: Africa and Europe.
The boundary between Asia and Europe is often defined to follow the Aegean Sea, the Caspian Sea, the Turkish Strait, the Black Sea, the Greater Caucasus, and the Ural River and Mountains.
The Isthmus of Suez joins Asia with Africa, and it is generally agreed that the Suez Canal forms the border between them. The canal provides the shortest maritime route between Europe and the lands lying around the Indian and western Pacific oceans.
:earn more about the World's Continents by checking these 10 facts from Kids-world-travel-guide.com.