The Czech Republic is a member of the European Union.
Citizens of EU countries, Iceland, Norway, Liechtenstein and Switzerland may stay temporarily within the territory of the Czech Republic without any permit whatsoever on the basis of a travel document or ID card
A certificate of temporary residence is issued at the request of an EU citizen who intends to stay in the Czech Republic for more than 3 months and has not threatened state security or seriously disrupted public order.
Information for Third-country nationals
All citizens of countries with which an agreement on visa-less relations has been concluded require is a passport. A list of these countries can be found here.