Machine translation of the Portuguese Wikipedia article (November 2026 version).
Itanhaém is a Brazilian municipality on the coast of the state of São Paulo, in the Metropolitan Region of the Baixada Santista, being the second oldest city in Brazil, after São Vicente, also on the São Paulo coast.
Its population in 2022 was 112,476 inhabitants and its area is 601.711 km², which results in a population density of 186.93 inhabitants/km². During the peak season, between December and February, its population (residents and tourists) can exceed 300,000 people, due to the high concentration of tourists.
Itanhaém is one of the 15 municipalities in the state of São Paulo classed as balneário resorts (estâncias balneárias) by the State of São Paulo, having met certain prerequisites set by state law. This status guarantees these municipalities a larger state allocation for the promotion of regional tourism. The municipality is also entitled to add the title “estância balneária” to its name, a term by which it is now designated both in official municipal documents and in state references.
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