Monte Caseros is a city in the south-east of the province of Corrientes, in the Argentine Mesopotamia region. It is the head town of the department of the same name, which also comprises the municipalities of Colonia Libertad, Juan Pujol and Mocoretá.
According to the 2010 census conducted by INDEC, the city had about 37,000 inhabitants. As departmental head, it serves as the administrative centre for the surrounding area.