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 also the largest metropolis on the Mediterranean Sea. It is located on the Mediterranean coast between the mouths of the rivers Llobregat and Besòs and is bounded to the west by the Serra de Collserola ridge (512 metres (1,680 ft)).
The Eixample (Catalan pronunciation: [əˈʃampɫə], Catalan for 'extension') is a district of Barcelona between the old city (Ciutat Vella) and what were once surrounding small towns (Sants, Gràcia, Sant Andreu etc.), constructed in the 19th and early 20th centuries.
Its population was 262,485 at the last census (2005)
There are five administrative neighborhoods: