Machine translation of the Portuguese Wikipedia article (November 2026 version).
Jundiaí is a Brazilian municipality in the state of São Paulo, the seat of the Jundiaí Metropolitan Region. It lies at 23°11'11" south latitude and 46°53'03" west longitude, at an altitude of 762 metres. It is 57 kilometres from the municipality of São Paulo. According to data from the Brazilian Institute of Geography and Statistics (IBGE) for 2022, its population was 443,116 inhabitants, ranking 15th among the most populous municipalities in the state and as the 6th largest in the interior of São Paulo. It is also the 59th largest in Brazil, being larger than four state capitals. Its name refers to the Jundiaí River, which means “river of the jundiás”, a famous fish of the period of the colonisation of the interior of São Paulo (a fish now endangered).
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