ScriptLookup

Czech

čeština
cs 10M speakers

Czech (čeština) is a Indo-European language with approximately 10M speakers speakers. It is written using the Latin script. Its BCP 47 language code is cs.

Czech (čeština) is a West Slavic language and the official language of the Czech Republic. It is spoken by approximately 10 million people. Czech is closely related to Slovak, and the two languages are largely mutually intelligible.

Czech is written with the Latin alphabet augmented with diacritics, notably the háček (ˇ) used in letters like č, š, ž. The Czech language reform led by Jan Hus in the 15th century introduced many of these diacritics. Czech has a rich literary tradition and contributed the word 'robot' to the world through Karel Čapek's 1920 play R.U.R.

Writing Systems Used for Czech

Latin
Primary
Hello World
LTR Latn

Frequently Asked Questions

What alphabet or script does Czech use?
Czech is written using the Latin script (ISO 15924 code: Latn). Latin is written left-to-right.
What direction is Czech written?
Czech is written Left-to-right. Text runs from left to right, the same direction as most European languages.
How many people speak Czech?
Czech has approximately 10M speakers speakers worldwide. It is a member of the Indo-European language family.
What language family does Czech belong to?
Czech belongs to the Indo-European language family. It is written with the Latin script.
What is the language code for Czech?
The BCP 47 language code for Czech is "cs". This code is used in software, web standards (the HTML lang attribute), and internationalization contexts.

Language Facts

BCP 47 Code
cs
ISO 639-3
ces
Status
living
Speakers
10M speakers
Language Family
Indo-European
Scripts
1
Primary Script
Latin

Other Latin Languages

Acehnese Acoli Adangme Afar Afrikaans Aghem Akan Akoose Alabama Albanian Aleut Anii Ao Naga Aragonese Araona Arapaho Arawak Aromanian Arpitan Asturian

Data sourced from Unicode CLDR and ISO 639-3. Last updated April 20, 2026.