Breves, Pará
Breves is a Brazilian municipality located in the state of Pará, on the island of Marajó. Its population as of 2025 is estimated to be 116,058 people. The area of the municipality is 9,550.454 km2. The city belongs to the mesoregion of Marajó and to the microregion of Furos de Breves.
The municipality is contained in the Marajó Archipelago [Environmental Protection Area], a sustainable use conservation unit established in 1989 to protect the environment of the delta region.
It contains the Mapuá Extractive Reserve, a sustainable use conservation unit created in 2005.
The city is served by Breves Airport.
In August 1659, the Treaty of the Mapuá was signed at the Mapuá River by Portuguese Jesuits led by António Vieira with various indigenous peoples who inhabited the Marajó Archipelago. The ceremony took place near a locality called Vila Amélia. In the present day, there is still an indigenous cemetery at the spot where the treaty was signed.