Barcelona (English //, Catalan: [bərsəˈɫonə], Spanish: [barθeˈlona]) is the capital city of the autonomous community of Catalonia in Spain, and the second largest city in the country, with a population of 1,620,943 within its administrative limits. The urban area of Barcelona extends beyond the administrative city limits with a population of around 4.5 million, being the sixth-most populous urban area in the European Union after Paris, London, the Ruhr, Madrid and Milan. About five million people live in the Barcelona metropolitan area. 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.
Park Güell (Catalan: Parc Güell [ˈparɡ ˈɡweʎ]) is a garden complex with architectural elements situated on the hill of El Carmel in the Gràcia district of Barcelona, Catalonia, Spain. It was designed by the Catalan architect Antoni Gaudí and built in the years 1900 to 1914. It has an extension of 17.18 ha (0.1718 km²), which makes it one of the largest architectural works in south Europe. It is part of the UNESCO World Heritage Site "Works of Antoni Gaudí".