Bangu is a neighborhood in the West Zone of Rio de Janeiro, Brazil. It is a lower-middle-class neighborhood. It is located in the western area of the city being one of the most populated districts, with 244,518 inhabitants (according to the Brazilian Institute of Geography and Statistics - IBGE - Demographic Census 2000) [1] distributed in an area of 4570.69 ha. Located in the geographic center of the city, the neighborhood is close to Campo Grande, Senador Camará, Vila Aliança, Padre Miguel and Realengo. On November 22, 2004 the mayor of Rio de Janeiro César Maia created by decree the district Gericinó. The neighborhood was originally part of the neighborhood of Bangu, the region where the penitentiary of Bangu is located, besides Bangu dump. The region is where Gericinó was located containing the sub-district of the Aqueduct (Aqueduct of the Seine).