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.
Argentino de Quilmes Club Atlético Argentino de Quilmes, simply known as Argentino de Quilmes, is an Argentine football club from Quilmes, Buenos Aires. The team currently plays in Primera C, the fourth division of the Argentine football league system.