Barueri is a Brazilian city in the state of São Paulo. The population in 2006 is estimated to be 265,549, the population density is 4,149.2 per km² and the area of 64 km². Its boundaries are Santana de Parnaíba to the north, Osasco in the east, Carapicuíba in the Southeast, Jandira to the south and southwest and Itapevi the west. The city is served by the trains of line B of the Companhia Paulista de Trens Metropolitanos (literally São Paulo Metropolitan Railway Company), (CPTM).