Bauru (Portuguese pronunciation: [bɐʊ̯ˈɾu]) is a Brazilian municipality in midwestern region of the state of São Paulo. It is the main city of the mesoregion and microregion of Bauru. The population is 366,992 (2015 est.) in an area of 667.68 km². Established in 1896, its boundaries are Reginópolis to the north, Arealva to the northeast, Pederneiras to the east, Agudos and Piratininga to the south and Avaí to the west.