Presidencia Roque Sáenz Peña is a city in the. It is the second largest in the province. It is located 170km west-northwest of the provincial capital Resistencia, on the main rail and road route across northern Argentina to Salta. The city has a population of 76,377 for the urban area and 88,164 for the whole municipality.Sáenz Peña was founded in 1912 and has developed as a commercial and industrial centre serving the surrounding agricultural region of the Gran Chaco plains.