Chajarí is a city in the northeast of the province of Entre Ríos, Argentina. It has 30,655 inhabitants per the 2001 census [INDEC], and it is the largest city in the Federación Department. It lies on Provincial Route 2, about 2 km east of the intersection with National Route 14 and west of the Salto Grande reservoir on the Uruguay River, 330 km from the provincial capital Paraná.