Resistencia is the capital and largest city of the province of Chaco in north-eastern Argentina. According to the 2010 census, the population of th…Resistencia is the capital and largest city of the province of Chaco in north-eastern Argentina. According to the 2010 census, the population of the city proper was 291,720 inhabitants. It is the anchor of a larger metropolitan area, Greater Resistencia, which comprises at least three more municipalities for a total population of 387,340 as of 2010. This conurbation is the largest in the province, and the eleventh most populous in the country. It is located along the Negro River, a tributary of the much larger Paraná River, opposite the city of Corrientes, Corrientes Province.