Pilar is the capital city of the Paraguayan department of Ñeembucú, located along the Paraguay River in the southwestern part of the country. Located about 358 km (222 mi) from Asunción, Pilar serves as an important center of commerce and government for the far southwestern region of the country.Pilar was founded by Pedro Melo de Portugal on October 12, 1779. The original name of the settlemnt was Villa del Ñeembucú, named for the nearby Arroyo Ñeembucú that flows into the Paraguay River.
The Town Council Museum was constructed in 1817, during the government of President Gaspar Rodríguez de Francia. It is excellently preserved. This is the only build of this nature that is still preserved in the country.The center of the city is home to a large number of historical buildings dating back to the founding of the city.Pilar is considered as one of the most safe and clean cities in all Paraguay.