9,250,000 in Czech Republic (2001 census). Population total all countries: 9,469,340.
West: Bohemia, Moravia, Silesia. Also in Austria, Bulgaria, Canada, Croatia, Israel, Poland, Romania, Serbia, Slovakia, Ukraine, United States.
1 (National). De facto national language.
Central Bohemian, Czecho-Moravian, Hanak, Lach (Yalach), Northeast Bohemian, Southwest Bohemian. All Czech and Slovak dialects mutually inherently intelligible. Czech is also intelligible with Polish [pol].