Rio de Janeiro, Brazil

Rio de Janeiro  is the second largest city in Brazil, the sixth largest city in the Americas and the world's thirty-fifth largest city by population. The population of the city of Rio de Janeiro, occupying an area of 1,182.3 square kilometres, is about 6,000,000. The population of the greater metropolitan area is estimated at 11 to 13.5 million. It was Brazil's capital until 1960, when Brasilia took its place. Residents of the city are known as cariocas. The official song of Rio is "Cidade Maravilhosa", by composer Andre Filho.  Source