The city of Federación, located in the northeast of the province of Entre Ríos, was structured, like most Argentine cities, around “the classic block-by-block grid layout bequeathed by the Laws of the Indies,” taking shape alongside the development of its various economic roles. The evolution of economic functions and the actions of different social forces gradually shaped a unique organization of urban space, in which distinct “neighborhoods” or urban districts clearly reflected the inequalities of the local socioeconomic structure.