Karachay-Cherkessia (Russian: Карачаево-Черкесия, romanized: Karachayevo-Cherkesiya), officially the Karachay-Cherkess Republic, is a republic of Russia located in the North Caucasus. It is administratively part of the North Caucasian Federal District. As of the 2021 census, Karachay-Cherkessia has a population of 469,865. Cherkessk is the largest city and the capital of the republic.
Karachay-Cherkessia is one of Russia's ethnic republics, primarily representing the indigenous Caucasian-Turkic Karachay people and the Cherkess or Circassian people. Karachays form the largest ethnic group at around 44% of the population, followed by ethnic Russians (27%) and Cherkess (13%). The Cherkess are mostly of the Besleney and Kabardin tribes. The republic has five official languages: Russian, Abaza, Cherkess (Kabardian), Karachay-Balkar, and Nogai.