cz

CZ is the ISO 3166-1 alpha-2 code for the Czech Republic, a landlocked country in Central Europe. Its capital and largest city is Prague. The country covers about 78,866 square kilometers and has a population around 10.7 million. The official language is Czech, and the currency is the Czech koruna (CZK). The country observes Central European Time (UTC+1) in winter and Central European Summer Time (UTC+2) in summer.

In addition to the alpha-2 code, the ISO 3166-1 alpha-3 code is CZE and the numeric code is 203. The Internet country code top-level domain is .cz. The international vehicle registration code is CZ, and the telephone country calling code is +420. The Czech Republic is a member of the European Union (since 2004) and the Schengen Area (since 2007) but has not adopted the euro, continuing to use the Czech koruna.

The two-letter cz is widely used in data standards, brand domains, and logistics to identify the country. It is also the basis for various abbreviations and identifiers in international contexts, separate from the country’s full official name.