Krasnodar Krai is formally and informally referred to as Kuban (), a term denoting former Kuban People's Republic and historic region of Kuban situated between the Sea of Azov and the Kuban River which is mostly composed of the krai's territory. It is bordered by Rostov Oblast to the north, Stavropol Krai to the east, Karachay-Cherkessia to the south-east, and Adygea is an enclave entirely within the krai. Krasnodar Krai shares an international border with Abkhazia to the south, and borders the disputed territory of Crimea to the west, across the Kerch Strait.