Barcelona
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 Barcelona facts

• 6 million within city limits
• Its urban area extends beyond the administrative city limits with a population of around 4
• 7 million people, being the sixth-most populous urban area in the European Union after Paris, London, Madrid, the Ruhr area and Milan
• It is the largest metropolis on the Mediterranean Sea, located on the coast between the mouths of the rivers Llobregat and Besòs, and bounded to the west by the Serra de Collserola mountain range, the tallest peak of which is 512 metres (1,680 ft) high
• Founded as a Roman city, in the Middle Ages Barcelona became the capital of the County of Barcelona
• After merging with the Kingdom of Aragon, Barcelona continued to be an important city in the Crown of Aragon as an economic and administrative centre of this Crown and the capital of the Principality of Catalonia
• Besieged several times during its history, Barcelona has a rich cultural heritage and is today an important cultural centre and a major tourist destination
• Particularly renowned are the architectural works of Antoni Gaudí and Lluís Domènech i Montaner, which have been designated UNESCO World Heritage Sites
• The headquarters of the Union for the Mediterranean is located in Barcelona
• The city is known for hosting the 1992 Summer Olympics as well as world-class conferences and expositions and also many international sport tournaments