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Language code: cs

Technical information about ISO 639 language code cs

Documentation

The table below provides technical details for the Czech language, designated by the cs code from the ISO 639-1 standard.

Code

cs

Name

Official

Czech

Native

Čeština

Family
Slavic
Text direction

Left-to-Right

Plural rules

More info

Language varieties
BohemianCentral MoravianEastern MoravianSilesian
Related languages
SlovakPolishUpper SorbianLower SorbianKashubian
Key facts
The unique consonant ř represents a raised alveolar trill found in no other languageVowel length is phonemic, doubling the vowel inventoryWords can be formed with no written vowels, as in the classic tongue-twister “strč prst skrz krk”Nouns inflect for seven grammatical casesThe modern literary standard was largely shaped during the Czech National Revival of the 19th century
Sample phrase

Ahoj, jak se máš?

Character encodings

ISO 8859-2, Windows 1250, CP 852, UTF-8, UTF-16, UTF-32

Supported in Localizely

Czech belongs to the Indo-European language family, specifically within the Slavic subgroup. It is the official language of the Czech Republic and is recognized as a minority language in Slovakia and Austria. It is written using the Latin script (Czech alphabet). It is estimated that there are more than 10 million speakers worldwide.

Language presence globally

Speakers

Czechia

9.7M

Slovakia

200K

*The graph shows a rough estimate of Czech speakers in countries where it is an official or minority language.

Related locale codes

cs-CZ – Czech (Czechia)

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