The European Union (EU) is a political and economic union of 27 member states that are located primarily in Europe. The supranational union has a total area of 4,233,255 km2 (1,634,469 sq mi) and an estimated population of more than 450million as of 2025. The EU is often described as a sui generis political entity combining characteristics of both a federation and a confederation.
Containing 5.5% of the world population in 2023, EU member states generated a nominal gross domestic product (GDP) of around β¬17.935 trillion in 2024, accounting for approximately one sixth of global economic output. Its cornerstone, the Customs Union, paved the way to establishing an internal single market based on standardised legal framework and legislation that applies in all member states in those matters, and only those matters, where the states have agreed to act as one. EU policies aim to ensure the free movement of people, goods, services and capital within the internal market; enact legislation in justice and home affairs; and maintain common policies on trade, agriculture, fisheries, and regional development.
The EU was established, along with its citizenship, when the Maastricht Treaty came into force in 1993, and was incorporated as an international legal juridical person upon entry into force of the Treaty of Lisbon in 2009. Its beginnings can be traced to the Inner Six states (Belgium, France, Italy, Luxembourg, the Netherlands, and West Germany) at the start of modern European integration in 1948, and to the Western Union, the International Authority for the Ruhr, the European Coal and Steel Community, the European Economic Community and the European Atomic Energy Community, which were established by treaties. These increasingly amalgamated bodies grew, with their legal successor the EU, both in size through the accessions of a further 22 states from 1973 to 2013, and in power through acquisitions of policy areas. In 2020, the United Kingdom became the only member state to leave the EU; ten countries are aspiring or negotiating to join it. (Full article...)
Athens is the capital and largest city of Greece. Named after goddess Athena, Athens is a cosmopolitan metropolis with a population of 3.7 million people. The Athens metropolitan area constitutes the center of economic, financial, industrial, cultural and political life in Greece. The city is also rapidly becoming a business center in the European Union.
Ancient Athens was a powerful polis city-state and a renowned center of learning, home of Plato's Academy and Aristotle's Lyceum. It is often referred to as the cradle of Western civilization, largely due to the impact of its cultural and political achievements during the 5th and 4th centuries BCE on the rest of the then known European Continent. The classical era heritage is still evident in the city, portrayed through a number of ancient monuments and artworks, the most famous being the Parthenon on the Acropolis. Athens was the host city of the first modern-day Olympic Games and, more recently, of the 2004 Summer Olympics.
The following are images from various European Union-related articles on Wikipedia.
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Image 2A cartogram depicting the population distribution between old EU-27 member states in 2008 (including the UK and excluding Croatia). 57.8% of all citizens of the EU live in the four largest member states: Germany, France, Italy, and Spain. (from Demographics of the European Union)
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Image 16Organigram of the political system. The seven organs of the Union are in blue, national / intergovernmental elements in orange. (from Politics of the European Union)
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