Karachay-Cherkessia is named for the Karachay, a Turkic people, and the Cherkess, the group from which "Circassians" get their name.
Officials languages of Karachay-Cherkessia is russian,karachay,cherkessian,nogay and abaza. Visitors may count their blessings thet all are fluent in russian.
Karachay-Cherkessia shares in the region wide poor quality security situation, but of the republics of the North Caucasus, it is clearly the most safe (being most remote from the conflict epicenters). It is still not as safe as the nearby Sochi region in Krasnodar Krai, however, and travelers should be vigilant especially against harassment from officials.