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
Pontic–Caspian steppe shore of the Caspian Sea in the Dagestan region of Russia, but the drier Caspian lowland desert lies between the Pontic steppe and the northwestern and northern shores of the Caspian. The Kazakh Steppe bounds the Pontic steppe on the southeast. The Ponto-Caspian seas are the remains of the Turgai Sea, an extension of the Paratethys which extended south and east of the Urals and covering much of today's West Siberian Plain in the Mesozoic and Cenozoic. Pontic–Caspian steppe The Pontic–Caspian steppe, Pontic steppe or Ukrainian steppe is the vast steppeland stretching from the northern shores of the Black Sea