What major physical features divide the continents of Europe and Asia?

The Ural Mountains, the Caucasus Mountains, the Caspian Sea, and the Black Sea are the major physical features that separate Europe and Asia. The Ural Mountains, located in Russia, are generally considered the traditional dividing line between the two continents. The Caucasus Mountains, located between the Black Sea and the Caspian Sea, also form part of the natural boundary between Europe and Asia. The Caspian Sea, the world's largest inland sea, is shared between Russia, Kazakhstan, Turkmenistan, Iran, and Azerbaijan, and the Black Sea, connected to the Mediterranean Sea by the Bosporus Strait, is bordered by Turkey, Bulgaria, Romania, Ukraine, Russia, and Georgia.