Pampas in cities, as industrialization picked up after the 1930s. As a result, Argentina's history of immigration in Buenos Aires Province is typically associated with cities and urban life, unlike in Entre Ríos Province and Santa Fe Province, where European immigration took on a more rural profile. Pampas The Pampas (from the , meaning "plain") are fertile South American lowlands that cover more than and include the Argentine provinces of Buenos Aires, La Pampa, Santa Fe, Entre Ríos and Córdoba; all of Uruguay; and the southernmost Brazilian State, Rio Grande do Sul. The vast plains are a natural region, interrupted only
Argentina–Uruguay border Argentina–Uruguay border The Argentina–Uruguay border is a line of 579 km marked by the Uruguay River, and is the border between Argentina and Uruguay. It starts in a triple border Argentina-Uruguay-Brazil, at the mouth of the Quaraí River in the Uruguay. The course follows the Uruguay river, passing west of the Uruguayan departments of Artigas, Salto, Paysandu, Rio Negro, Soriano and Colonia and the Argentine provinces of Corrientes, Entre Rios and Buenos Aires, until the confluence of the Uruguay and the Paraná rivers into the Rio de la Plata. The Uruguay River was always a physical limit that separated the