L1 users: 10,400,000 (European Commission 2012). Total users in all countries: 13,217,190 (as L1: 10,677,190; as L2: 2,540,000).
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].
SVO; prepositions; noun head final; gender (masculine/feminine/neuter); no articles; case-marking (7 cases); verb affixes mark person, number; passives; tense and aspect; comparatives; 26 consonant and 9 vowel phonemes; non-tonal; stress on first syllable.