Rio de Janeiro, which used to be the capital city of Brazil (1763-1960), is the largest sea port of the country, and second only toSao Paulo in size. With an area of 1,182 square kilometers and a population of 6.3 million, it is known as the Capital of Carnival. Rio de Janeiro is an important gateway to Brazil and Even South America. BeingBrazil's economic and transportation center,it is the most economically developed region in the country as well as in South America. As the first Portuguese-speaking city in South America ever to host an Olympic event,Rio de Janeiroheldthe 31th Summer Olympic Games in 2016andFIFAWord Cup twice.