• The Caucasus is a region at the border of Europe and Asia, situated between the Black and the Caspian seas.
• It is home to the Caucasus Mountains, which contain Europe’s highest mountain, Mount Elbrus. Politically, the Caucasus region is separated between northern and southern parts.
• While the northern parts are under the jurisdiction of the Russian Federation, the southern parts consist of independent sovereign states.
• These include Georgia, Armenia, Azerbaijan, Turkey and Iran.
• The region is known for its linguistic diversity: aside from Indo-European and Turkic languages, the Kartvelian, Northwest Caucasian, and Northeast Caucasian families are indigenous to the area.

Source: Wiki