Severians

Chernihiv (, ; , ) is a city and municipality in northern Ukraine, which serves as the administrative center of Chernihiv Oblast and Chernihiv Raion within the oblast. Chernihiv's population is

Bryansk (, ) is a city and the administrative center of Bryansk Oblast, Russia, situated on the Desna River, southwest of Moscow. It has a population of 379,152 at the 2021 census.

Pereiaslav is a historical city in Boryspil Raion, Kyiv Oblast, central Ukraine. It is located near the confluence of the Alta and Trubizh rivers some southeast of the capital Kyiv. It was one of the key regional centers of power during the Middle Ages and served as the capital of a principality. Pereiaslav hosts the administration of Pereiaslav urban hromada, one of the hromadas of Ukraine. Its population is approximately

Novhorod-Siverskyi (, , , Novgorod-Severskiy), historically known as Novhorod-Siversk () or Novgorod-Seversk (), is a historic city in Chernihiv Oblast, northern Ukraine. It serves as the administrative center of Novhorod-Siverskyi Raion, although until 18 July 2020 it was incorporated as a city of oblast significance and did not belong to the raion. Novhorod-Siverskyi is situated on the bank of the Desna River, from the capital, Kyiv. It hosts the administration of Novhorod-Siverskyi urban hromada, one of the hromadas of Ukraine. The city's population is

thumb|200px|European territory inhabited by East Slavic tribes in 8th and 9th century. The Severians, also Severyans, Siverians, or Siverianians (; ; ; ) were a tribe or tribal confederation of early East Slavs occupying areas to the east of the middle Dnieper River and southeast of the Danube River. They are mentioned by the Bavarian Geographer (9th century), Emperor Constantine VII (956–959), the Khazar ruler Joseph (c. 955), and in the Primary Chronicle (1113).