Czech (pron.: /ˈtʃɛk/; čeština Czech pronunciation: [ˈt͡ʃɛʃcɪna]) is a West Slavic language with about 12 million native speakers; it is the majority language in the Czech Republic and spoken by Czechs worldwide. The language was known as Bohemian in English until the late 19th century. Czech is similar to and mutually intelligible with Slovak, the Sorbian languages and, to a lesser extent, with other Slavic languages.
ISO 639-3: ces