The Caucasus is a region at the border of Europe and Asia, situated between the Black and the Caspian seas.
The highest peak in the Caucasus range is Mount Elbrus in the Greater Caucasus, which rises to a height of 5,642 metres (18,510 ft) above sea level. Mountains near Sochi hosted part of the 2014 Winter Olympics.  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.  The Caucasus /ˈkɔːkəsəs/ or Caucasia /kɔːˈkeɪʒə/ is a region at the border of Europe and Asia, situated between the Black and the Caspian seas.  Kavkaz, region and mountain system, SE European Russia, Georgia, and Azerbaijan. Armenia is not crossed by the Caucasus range but is considered part of the greater region. The mountain system extends c.750 mi (1,210 km) from the mouth of the Kuban River on the Black Sea SE to the Absheron peninsula on the Caspian Sea. The Caucasus Mountains are commonly known as a line between Asia and Europe, and the lands in Caucasia are different considered to be in one or both continents. The northern portion of the Caucasus is known as the Ciscaucasus and the southern portion as the Transcaucasus. The highest peak in the Caucasus is Mount Elbrus (5,642 m) which, in the western Ciscaucasus in Russia, is generally considered the highest point in Europe. The Caucasus or Caucasia is a region in Eurasia bordered on the south by Iran, on the southwest by Turkey, on the west by the Black Sea, on the east by the Caspian Sea, and on the north by Russia. The Persian name for the region is Qafqaz. Qafqâz caucasia includes The Caucasus mountains and surrounding. lowlands 1. (Placename) Also called: Caucasus Mountains a mountain range in SW Russia, running along the N borders of Georgia and Azerbaijan, between the Black Sea and the Caspian Sea: mostly over 2700 m (9000 ft). Caucasus, Caucasus Mountains-the mountain range in Caucasia between the Black Sea and the Caspian Sea that forms part of the traditional border between Europe and Asia. Circassian-a member of the Sunni Muslim people living in northwestern Caucasia. 1. Caucasus-the mountain range in Caucasia between the Black Sea and the Caspian Sea that forms part of the traditional border between Europe and Asia. Caucasus Mountains. Caucasia, Caucasus-a large region between the Black and Caspian seas that contains the Caucasus Mountains; oil is its major resource. 1. (Placename) Also called: Caucasus Mountains a mountain range in SW Russia, running along the N borders of Georgia and Azerbaijan, between the Black Sea and the Caspian Sea: mostly over 2700 m (9000 ft). Caucasus-the mountain range in Caucasia between the Black Sea and the Caspian Sea that forms part of the traditional border between Europe and Asia. Caucasus Mountains. Caucasia, Caucasus-a large region between the Black and Caspian seas that contains the Caucasus Mountains; oil is its major resource. Caucasus, Caucasus Mountains-the mountain range in Caucasia between the Black Sea and the Caspian Sea that forms part of the traditional border between Europe and Asia. Circassian-a member of the Sunni Muslim people living in northwestern Caucasia. Winter in the Caucasus Mountains. Winter in the Caucasus Mountains. The definition of Caucasus is a mountain range located between the Caspian Sea and the Black Sea in Caucasia which serves as a border between Asia and Europe. An example of Caucasus is a mountain range bordering Asia and Europe. 
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what is a Caucasus