Masio is a comune in the Province of Alessandria in the Italian region Piedmont, located about 60 kilometres southeast of Turin and about 20 kilometres southwest of Alessandria.
Masio borders the following municipalities: Cerro Tanaro, Cortiglione, Felizzano, Incisa Scapaccino, Oviglio, Quattordio, and Rocchetta Tanaro.
Wikipedia https://en.wikipedia.org/wiki/Masio
Coordinates 44°52'10.736" N 8°24'27.867" E