Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Croatia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Romania, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Slovakia, Slovenia, Spain and Sweden.

As a political and economic member, the European Union is headquartered in Brussels, Belgium, with a population of 440 million. For the European Union, its purpose is to "strengthen the coordinated development of economy and society by establishing a space without internal borders, establish an economic and monetary union that will eventually implement a unified currency, promote the balanced economic and social development of member States" and "promote the individuality of the Union on the international stage by implementing the same foreign and security policies".