Provinces of Argentina became provinces in 1951. Misiones did so in 1953, and Formosa, Neuquén, Río Negro, Chubut and Santa Cruz, in 1955. The last national territory, Tierra del Fuego, became the Tierra del Fuego, Antártida e Islas del Atlántico Sur Province in 1990. Argentina is a federation of twenty-three provinces and one autonomous city, Buenos Aires. Provinces are divided for administration purposes into departments and municipalities, except for Buenos Aires Province, which is divided into partidos and "localidades". Buenos Aires City itself is divided into communes ("comuna") and non-official neighbourhoods ("barrios"). Provinces hold all the power that they chose not to delegate
Indigenous peoples in Argentina and traders keep raising food prices. He also claimed judges would not even hear the native's complaints.<ref name="ASH/MB"></ref> According to the 2010 census there are the following indigenous groups: This region includes the provinces of Chaco, Corrientes, Entre Ríos, Formosa, Misiones, Santa Fe, and parts of Santiago del Estero Province. This region includes the provinces of Catamarca, Jujuy, La Rioja, Salta, San Juan, parts of Santiago del Estero Province, and Tucumán. This region includes the Autonomous City of Buenos Aires and the provinces of Buenos Aires, Córdoba, La Pampa, Mendoza, and San Luis. This region includes the provinces of Chubut,