Machine translation of the Portuguese Wikipedia article (November 2026 version).
Diadema is a municipality in the state of São Paulo, in the Southeast Region of Brazil. It covers an area of 30.732 km², and its population estimated by IBGE for 2024 was 404,118 inhabitants. It is the 16th most populous municipality in the state and the 63rd in Brazil. It is located in the Southeast Zone of Greater São Paulo, in the São Paulo Metropolitan Region, in accordance with State Complementary Law No. 1,139 of 16 June 2011.
Diadema was a district of São Bernardo do Campo until its emancipation at the end of the 1950s. With 75 SUS health facilities, its main source of income is the service sector, with industry and commerce as other important economic activities. The municipality also has an important cultural tradition, ranging from tourism to sport. Diadema hosts several annual events and has some tourist attractions, such as the Borboletário (butterfly house), the Botanical Garden, the Fábrica de Cultura, the Museum of Popular Art and the Paço Park.
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