São Paulo is a city located in the southeast region of Brazil. São Paulo is the most populous city in Brazil, the Americas, and in the Southern Hemisphere. The city’s metropolitan area of Greater São Paulo ranks as the most populous in Brazil, the 11th most populous on Earth, and largest Portuguese-speaking city in the world. The city is the capital of the homonymous state of São Paulo, Brazil’s most populous and wealthiest Brazilian state.
São Paulo has the 8th largest GDP in the world, representing alone 10.7% of all Brazilian GDP and 36% of the production of goods and services in the state of São Paulo, being home to 63% of established multinationals in Brazil, and has been responsible for 28% of the national scientific production in 2005.