Ukrainians in Russia include all the family of hetman Ivan Mazepa, A. Vojnarovsky, and those in Mazepa's Cossack forces that returned to Russia. Some were imprisoned in exile for the rest of their lives such as hetmanPavlo Polubotok, Pavlo Holovaty, P. Hloba and Petro Kalnyshevsky. Beginning in the 19th century, there was a continuous migration from Belarus, Ukraine and Northern Russia to settle the distant areas of the Russian Empire. The promise of free fertile land was an important factor for many peasants who until 1861, lived under Serfdom. In the colonization of the new lands, a significant contribution was made by ethnic
Iranians in Russia from Iran, who migrated to the North Caucasus and parts of Transcaucasia. In Russia, they inhabit Chechnya, Kabardino-Balkaria, and Krasnodar Krai. Iranians in Russia Iranian Russians or Persian Russians (; ) are Iranians in the Russian Federation, and are Russian citizens or permanent residents of (partial) Iranian national background. Iranians have a long history within what is modern-day Russia, stretching back millennia. With their historical core in southern Dagestan and the pivotal Iranian town of Derbent, the territory remained, intermittently, in Iranian hands encompassed for many centuries until 1813, resulting in a steady flow and settling of people from mainland