However, according to IBGE, the city is a conurbation with Bom Jesus dos Perdões, due to its proximity, which makes it the largest urban agglomeration in the Bragantina Region, with more than 180 thousand inhabitants.

[4] Their main objective was to search the interior lands of Brazil for rich mineral resources, such as gold, silver and emeralds in present-day state of Minas Gerais.

The area was already occupied by Mateus Nunes da Siqueira, a priest who established contact with the Guarulhos tribe.

The correct denomination for the native people is "atibaiano"; "atibaiense" is the nomination for those who live there but weren't born in the city.

In 2005, The Brazilian Development Bank (BNDES) loaned Atibaia R$2 million, to try to help it improve its city hall management.

[6] The funds will be invested in information technology; human resource qualification; specialized technical services; equipment to support tax auditing; and infrastructure.

The company is currently an operator of cell phones, fixed lines, internet (fiber optics/4G) and television (satellite and cable).

Begun in 1954, it contains arms, armor, furniture, historical objects, coins and works of religious art along with important documents on the colonial and imperial periods in Brazil.