Guarulhos is a Brazilian municipality in the state of São Paulo. It is the second most populous city in the Brazilian state of São Paulo, the 13th most populous city in Brazil, and the 53rd most populous on the continent. It pertains to the Metropolitan Region of São Paulo city. In the last few years it has outgrown Campinas. The population in 2006 is 1,283,253, the population density is 4,035.26 inh./km², and the area is 318 km². It is the most populous non-capital city in the country and has the 2nd largest GDP in the state--as well as the 8th largest in the country.OverviewRanks 8th by GDP among Brazilian cities; 2nd in São Paulo state. (source:IBGE, Brazil's national institute of statistics. GDP by cities report, published in 2005 with data from 2002).It is the 10th largest suburb in the world.The name comes from the Tupi language, and means Eaters, big-bellied people; a reference to the original indigenous inhabitants of the area.The per capita income for the municipality is R$12,793.São Paulo-Guarulhos International Airport (GRU), one of the main Brazilian airports, is located there.Mamonas Assassinas, a 1990s satirical pop/rock group, came from Guarulhos.The city is the seat of the Roman Catholic Diocese of Guarulhos.