Czech Speakers 99,999,999 Used in Poland Slovakia Czechia Codes Glottocode czec1258 ISO-639-3 ces Safe Home Czech Czech Countries Poland Slovakia Czechia Exonyms Language English Name Czech Language French Language Spanish Language Russian Language Arabic Language Chinese Other names Information available 1. Basics Names Czech Size / Number of users Number of users 99999999 Codes Glottocode czec1258 ISO-639-3 ces 2. Status 3. State Documentation: materials