What is definition caucasus?

The Caucasus is a region located at the crossroads of Europe and Asia, between the Black and Caspian Seas. It includes countries such as Georgia, Armenia, Azerbaijan, and parts of Russia. The region is known for its ethnic diversity, with over 50 recognized ethnic groups. It is also home to many languages, including Georgian, Armenian, Azerbaijani, and Russian. The Caucasus has a rich history, with many ancient cultures and empires leaving their mark on the region. It is also a strategically important area, as it sits at the intersection of many trade routes and has valuable natural resources, such as oil and gas.