Historical geography of Uruguay

historical and geographical region of South America, referring to the lands located southeast of the Paraná River

Cisplatina (, ) was a Brazilian province in existence from 1821 to 1828 created by the Luso-Brazilian invasion of the Banda Oriental. From 1815 until 1822 Brazil was a constituent kingdom of the United Kingdom of Portugal, Brazil and the Algarves. After the independence of Brazil and the formation of the Empire of Brazil the Cisplatina province remained part of it. In 1828, following the Preliminary Peace Convention, the Cisplatina province became independent as Uruguay.

league constituted of the provinces of Córdoba, Corrientes, Entre Ríos, the Eastern Province, Santa Fe and