Bucharest is the capital and largest city of Romania, as well as its cultural, industrial, and financial centre. It is located in the southeast of the country, at, on the banks of the Dâmbovița River, less than 60km north of the Danube River and the Bulgarian border.Bucharest was first mentioned in documents in 1459. It became the capital of Romania in 1862 and is the centre of Romanian media, culture, and art. Its architecture is a mix of historical (neo-classical), interbellum (Bauhaus and art deco), communist-era and modern. In the period between the two World Wars, the city's elegant architecture and the sophistication of its elite earned Bucharest the nickname of "Little Paris" (Micul Paris). Although buildings and districts in the historic city centre were heavily damaged or destroyed by war, earthquakes, and above all Nicolae Ceaușescu's program of systematization, many survived. In recent years, the city has been experiencing an economic and cultural boom.According to the 2011 census, 1,883,425 inhabitants live within the city limits, a decrease from the 2002 census. The urban area extends beyond the limits of Bucharest proper and has a population of about 1.9 million people. Adding the satellite towns around the urban area, the proposed metropolitan area of Bucharest would have a population of 2.27 million people. According to Eurostat, Bucharest has a larger urban zone of 2,183,091 residents. According to unofficial data, the population is more than 3 million. Bucharest is the 6th largest city in the European Union by population within city limits, after London, Berlin, Madrid, Rome, and Paris.