what region is located south of the caucasus mountains
Caucasus. The Caucasus region is a mountain range lying between the Black Sea and the Caspian Sea, considered part of the natural boundary between Europe and Asia.Geographically it is usually considered part of Western Asia, adjacent to northeastern Turkey and northwestern Iran.aucasus. The Caucasus region is a mountain range lying between the Black Sea and the Caspian Sea, considered part of the natural boundary between Europe and Asia.