The European Union (EU) is a political and economic union of 27 member states that are party to the EU's founding treaties, and thereby subject to the privileges and obligations of membership. They have agreed by the treaties to share their own sovereignty through the institutions of the European Union in certain aspects of government.

Use the map and list below to explore the countries of the European Union. Find out when they joined the EU, Schengen or the euro, and learn more about the country on the dedicated page. EU Member State since 1995, Euro area member since 1999, Schengen area member since 1997 and more about Austria’s participation in the EU.

1995年1月1日 · Today the EU consists of 27 member countries. It is not only an economic union but the single market with no borders for trade and the single euro currency used by 20 member states of the Eurozone. Furthermore, it is the political union …

All EU Member States, except for Cyprus and Ireland, are members of the Schengen area. Bulgaria and Romania joined most recently, in March 2024. 4 non-EU countries (Iceland, Norway, Switzerland and Liechtenstein) are also part of Schengen.

The European Union (EU) is a supranational political and economic union of 27 member states that are located primarily in Europe. [9][10][11] The Union has a total area of 4,233,255 km 2 (1,634,469 sq mi) and an estimated total population of over 449 million.

欧洲联盟成员国 是根据《欧洲联盟条约》，自愿加入 欧洲联盟 的国家。 和一般的国际组织不同，作为欧盟的成员国，要遵守共同制定的统一法律；但和 联邦制 的国家（如 美国）不同，每个成员国有相对的独立性，如自行决定 外交政策 、並擁有自己的军队等。 2020年2月1日，因應 英國脫歐，欧盟成員國由28個減至27個。 1957年创立欧盟的核心成员有6个国家，其他国家是後期加入的。 要加入欧盟，必须达到 哥本哈根标准 所要求的政治和经济条件，亦即需要有一个 民主 、 …

EU countries are those within the European Union, bound by EU treaties and regulations. They maintain national militaries and foreign policies but are subject to EU institutions in judicial and legislative matters. Schengen countries, on the other hand, are those that have signed the Schengen Agreement.

20 小时之前 · European Union (EU), international organization comprising 27 European countries and governing common economic, social, and security policies. Originally confined to western Europe, the EU undertook a robust expansion into central and eastern Europe in …

6 天之前 · Discover the EU’s priorities for 2024-2029, promoting a free and democratic Europe, developing a strong and secure Europe, establishing a prosperous and competitive Europe. Find out how many EU Member States there are, how big the EU economy is, how people live in the EU, and other useful facts about the EU.

Switzerland is not an EU or EEA member but is part of the single market. This means Swiss nationals have the same rights to live and work in the UK as other EEA nationals.