History of Paraguay its capital, and Río de la Plata, with headquarters in Buenos Aires. With this decision, Asunción lost control of the Río de la Plata estuary and became dependent on Buenos Aires for maritime shipping. In 1776, the crown created the Viceroyalty of Río de la Plata; Paraguay, which had been subordinate to Lima, now became a provincial outpost of Buenos Aires. Located at the periphery of the empire, Paraguay served as a buffer state. The Portuguese blocked Paraguayan territorial expansion in the north, native tribes blocked it – until their expulsion – in the south, and the Jesuits blocked it
Concepción Department, Paraguay Concepción Department, Paraguay Concepción () is a department of Paraguay. The capital is the city of Concepción. Throughout history, this department has suffered a great amount of population instability, especially in the times of the colony, due to the advance of the Brazilian “bandeirantes” through the east and the attacks of the Mbayá – Guaicurú natives of Chaco, which, by then, were the lords of that region. During the later years of the colony, it was organized a great campaign to re-conquest the invaded territories with the intention of defending by populating the region and also with the important task