Below is an encyclopedic article on the Sclaveni that emphasizes primary accounts and direct quotations from first-hand sources.

Sclaveni

The Sclaveni (also rendered as Sklaveni, Sklabeni, or Sclavi in varying sources) were early Slavic tribes that began settling in the Balkans during the turbulent transitions of the late Antiquity and early Medieval periods. They emerged as a significant group among the Slavic populations encroaching on Byzantine territories

The  Severians (Северяне, Severyane; also called Siverians, or Severyans) were an East Slavic tribe that lived in the middle Dnieper River region during the early medieval period. They are mentioned in historical sources like the Primary Chronicle (1113) and Byzantine records.

Key Facts About the Severyane:

• They inhabited areas east of the Dnieper River, including parts of modern Ukraine, Belarus, and Russia.
• Some theories suggest their name comes from the

The West Slavic tribes represent the branch of the early Slavic peoples who eventually consolidated into the groups now known as Poles, Czechs, Slovaks, and other smaller groups such as the Sorbs, Kashubians, and Silesians. Emerging as distinct communities during the early medieval period, these tribes spread into Central Europe from around the 7th century onward. They originally separated from the common Slavic milieu, and by the 8th and 9th centuries, many had

The East Slavic tribes were the early medieval groups that laid the ethnic and cultural foundations for the peoples we now recognize as Russians, Ukrainians, and Belarusians. Emerging during the early centuries AD, these tribes developed on the expansive Eastern European Plain and later coalesced into more organized political entities—most notably, the state of Kievan Rus′.

Origins and Core Groups

Historical texts such as the Primary Chronicle note around a dozen