This is the case of the metropolitan areas of Puebla and Toluca, which are tied to the MAVM, and the metropolitan areas of Saltillo and Reynosa, which are part of the metropolitan area of Monterrey.
Este es el caso de las zonas metropolitanas de Puebla y Toluca, que se vinculan a la ZMVM; y las zonas metropolitanas de Saltillo y Reynosa que se integran con la zona metropolitana de Monterrey.