The Caucasus, also Caucas or Caucasia (for endonyms, see below), is a geopolitical region at the border of Europe and Asia, and situated between the Black and the Caspian sea. 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.

North Caucasus South Caucasus (Transcaucasia)
  • Russian Federation (partially)
    • Chechnya
    • Dagestan
    • Ingushetia
    • Adyghea
    • Kabardino-Balkaria
    • Karachay–Cherkessia
    • North Ossetia
    • Krasnodar Krai
    • Stavropol Krai
  • Armenia
  • Azerbaijan
    • Nakhchivan
    • Nagorno-Karabakh
  • Georgia
    • Abkhazia
    • Adjara
    • South Ossetia
  • Iran (partially)
  • Turkey (partially)

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