Barcelona has a population of 1.6 thousand.
Barcelona ( [ bɑrsəˈloʊnə ] , [ bəɾsəˈlonə ] , [ barθeˈlona ] ) is the capital city of the autonomous community of Catalonia in the Kingdom of Spain , as well as the country 's second most populous municipality , with a population of 1.6 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 .