Corrientes is the capital city of the province of Corrientes, Argentina, located on the eastern shore of the Paraná River, about 1,000 km from Buenos Aires and 300 km from Posadas, on National Route 12. It has a population of 346,334 according to the 2010 Census. It lies opposite its twin city, Resistencia, Chaco. Corrientes has a mix of colonial and modern architecture, several churches and a number of lapacho, ceibo, jacaranda and orange trees.