Barretos is a municipality in the northern part of the state of São Paulo, Brazil. The city has approximately 112,101 inhabitants (IBGE/2010) and an area of 1565.6 km².Barretos belongs to the Mesoregion of Ribeirão Preto.
The Tertiary sector of the city is the most relevant, with 72.09% of the city GDP. Industry is 21.64% of the GDP, and the Primary sector corresponds to 6.28%.Barretos hosts annually the most famous rodeo festival in the country, the Festa do Peão de Boiadeiro. The city is the seat of the Roman Catholic Diocese of Barretos.