Black Sea–Caspian Steppe Yeya and Kuban Rivers became the Black Sea Host Territory. In 1794 some Don Cossacks settled on the great bend of the Kuban. The Terek Cossacks were pushed west and became the Caucasus Line Cossack Host. In 1825 Volga Cossacks arrived in the center. Further north Cossack and peasant settlements were mixed. in the northeast the Kalmyks retained most of their land while the Nogais were pushed southeast to land south of the Kalmyks in what is now the Nogai Raion of Dagestan. Sources can be found in the linked articles. Black Sea–Caspian Steppe The Black Sea-Caspian Steppe is an
Black Sea–Caspian Steppe Azov broke off and formed the Lesser Nogai Horde, a name that gradually went out of use. Around 1630 the Kalmyks migrated west from Dzungaria and occupied the land around the north end of the Caspian Sea, driving the Nogais south and west. In 1771 a significant part of them returned to Dzungaria and the Nogais returned east and north. A few Russians were on the lower Terek by about 1520 and Cossacks were somewhere on the Don by 1550. In 1556 Russia took Astrakhan and interacted with Kabardia for a few years before losing interest in the area south