A Glimpse into History

The roots of Posadas trace back to the early 17th century, when Spanish Jesuit missionaries founded the settlement of Nuestra Señora de la Inmaculada Concepción de Itapúa in 1615. This was part of the larger network of Jesuit reductions that once extended throughout the border region of present-day Paraguay, Misiones, and Brazil.

When the Jesuits were expelled from Spanish territories in 1767, many of these reductions, including Itapúa, were abandoned, leaving behind ruins and scattered communities. The area remained quiet for much of the 18th and early 19th centuries, but the Paraná River’s strategic importance as a trade route ensured it would not be forgotten.

By the mid-19th century, renewed interest in the region led to the founding of a new settlement (Trinchera de San José) on the riverbanks. In 1879, it was officially named Posadas, in honor of Gervasio Antonio de Posadas, Argentina’s first Supreme Director during the independence era. With the expansion of the Argentine railway and shipping networks in the early 20th century, the city grew rapidly, soon becoming the administrative and economic heart of Misiones Province.

Today, Posadas’s layered past is still visible in its colonial-style churches, the stories tied to its historic neighborhoods, and the pride locals take in both their indigenous roots and Argentina’s national history.