Salesópolis is a municipality in the state of São Paulo in Brazil. It is part of the Metropolitan Region of São Paulo.[3] The population is 17,252 (2020 est.) in an area of 424.997 km².[4] Salesópolis sits at an elevation of 850 metres (2,790 ft). It is noted for being the source of the Tietê River.[5]
Salesópolis was founded in the 19th century as São José do Paraitinga, and later became the parish of Santana de Mogi das Cruzes in 1838. The parish was elevated to municipality status on March 24, 1857, but renamed Salesópolis in 1905 after a visit of the president of Brazil, Campos Sales (1841-1913).[5]