Polans (western)
The Polans (also known as Polanes, Polanians; Polish: Polanie, derived from Old Slavic pole, "field" or "plain", see polje) were a hypothetical West Slavic tribe, part of the Lechitic group, inhabiting the Warta River basin of the historic Greater Poland region in the 8th century.
Read more about Polans (western): Theory of Western Polans, Modern Attitudes, Notable Persons Named Polani