Czech government maintains a registry of those nationals who hold a concurrent nationality in addition to their Czech nationality. Some countries, however, do not permit multiple citizenship e.g. adults who acquired Czech and Japanese citizenship by birth must declare, to the latter's Ministry of Justice, before turning 22, which citizenship they want to keep. Citizenship of the European Union Because Czech Republic forms part of the European Union, Czech citizens are also citizens of the European Union under European Union law and thus enjoy rights of free movement and have the right to vote in elections for the European Parliament. When in a non-EU country where there is no Czech embassy, Czech citizens have the right to get consular protection from the embassy of any other EU country present in that country. Czech citizens can live and work in any country within the EU as a result of the right of free movement and residence granted in Article 21 of the EU Treaty. Travel freedom of Czech citizens Visa requirements for Czech citizens are administrative entry restrictions by the authorities of other states placed on citizens of Czech Republic. As of May 2018, Czech citizens had visa-free or visa on arrival access to 182 countries and territories, ranking the Czech passport 7th in terms of travel freedom (tied with Maltese and New Zealand passports) according to the Henley Passport Index. In 2018, The Czech nationality is ranked 13th in Nationality Index (QNI). This index differs from the Visa Restrictions Index, which focuses on external factors including travel freedom. The QNI considers, in addition, to travel freedom on internal factors such as peace & stability, economic strength, and human development as well. See also Slovak nationality law References External links Ministry of the Interior of the Czech Republic Full amended text of 40/1993 Sb. as of 2005 Ministry of Internal Affairs page on the citizenship law new (2013) Citizenship Act (PDF) new (2013) Citizenship Act Ministry of Interior information site Nationality law Czech Republic and the European Union Law of the Czech Republic