West Slavs

group of Slavic peoples speaking the West Slavic languages (Czechs, Poles, Slovaks, Sorbs, Kashubians, Moravians, Silesians), separating from the common Slavic group around the 7th century in Central Europe
West Slavs in 9th/10th century

West Slavs are part of the Slavic peoples. Czechs, Kashubians, Poles, Slovaks, and Sorbs are West Slavs. The most of them are in three countries: in Poland, the Czech Republic and Slovakia. West Slavs' national languages are languages from West Slavic languages group.