Pilar, Paraguay Pilar, Paraguay 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 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 settlement was "Villa del Ñeembucú", named for the nearby Arroyo Ñeembucú that flows into the Paraguay River. Four years later it was renamed "Villa del Pilar" by Spanish priest Marcial Antonio Uliambre, for the Basilica
Geography of Paraguay Paraná; the mountain chain has an average height of . Separated from the Eastern region by the Paraguay River, the Chaco region is a vast plain with elevations reaching no higher than and averaging . Covering more than 60 percent of Paraguay's total land area, the Chaco plain slopes gently eastward to the Río Paraguay. The Paraguayan Chaco is subdivided into two parts. The "Alto Chaco" (Upper Chaco), also called "Chaco Seco" (Dry Chaco) is the western three-quarters of the region, bordering on Bolivia, while the "Bajo Chaco" (Lower Chaco) or "Chaco Húmedo" (Humid Chaco) borders on the Paraguay River.