One of the 27 member states of the European Union. They are Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Poland, Portugal, Romania, Slovak Republic, Slovenia, Spain, and Sweden.

The United Kingdom was a member state until 31 January 2020, when it left the EU.

For further information, see Practice note, Introduction to the European Union.