A Primera División team plays in which city that is located in the Cyuo region of Argentina?
San Martín de San Juan Club Atlético San Martín, mostly known as San Martín de San Juan, is an Argentine football club from the city of San Juan. The team currently plays in the Primera División, the first division of the Argentine football league system.
Club Atlético Mitre Club Atlético Mitre is an Argentine sports club located in Santiago del Estero. The club is mostly known for its football team, that currently plays in Primera B Nacional, the second division of Argentine football league system.