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, Paraguay Concepción, Paraguay Concepción () is a city & district in northern Paraguay and capital of the Concepción Department. It lies next to the Paraguay River. Founded by a Spanish Governor, named Agustín Fernado de Pinedo, the town prospered in the early years of the 20th century, as a centre for the north of the country, exploiting the new wealth of the Gran Chaco, and a river port. The town was also a centre for the Paraguayan Civil War of 1947. The city is the seat of the Roman Catholic Diocese of Concepción en Paraguay. Route 5 "Gral. Bernardino Caballero" connects