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The European Union, referred to as the European Union (EU), is headquartered in Brussels, the capital of Belgium. It was developed from the European Union. There are 6 founding members, namely Germany, France, Italy, Netherlands, Belgium and Luxembourg. It now has 27 member states and 24 official official languages.

In December 1991, the Maastricht Summit of the European Community adopted the Treaty of European Union, commonly known as the Maastricht Treaty. On November 1, 1993, the Maastricht Treaty officially came into effect, and the European Union was officially born. In 2012, the European Union won the Nobel Peace Prize. The President of the European Council is Charles Michel and the President of the European Commission is Ursula von der Leyen. The President of the European Parliament is David Sassoli. The EU's treaties have been revised many times and operate in accordance with the Treaty of Lisbon. Politically, all member countries are parliamentary democracies (2008 "Economist" Democracy State Survey). Economically, it is the second largest economic entity in the world (Germany, France, and Italy are members of the Group of Eight). Militaryly, except for Sweden, Except for the six countries of Finland, Ireland, Austria, Malta and Cyprus (the first five countries are internationally recognized permanent neutral countries), the remaining 21 EU member states are all members of the North Atlantic Treaty Organization.