The early Slavs were a diverse group of tribal societies who lived during the Migration Period and Early Middle Ages (approximately the fifth to the tenth centuries) in Eastern Europe and in Central Europe and established the foundations for the Slavic nations through the Slavic states of the High Middle Ages (Wikipedia).



Sources:



@ polmap.pdg.pl/mapy/slowianie.h…



@ admw.ru/books/V-YA--Petrukhin-…



@ geacron.com



@ The Penguin Atlas of World History