Castelletto d'Orba
Castelletto d'Orba is a comune in the Province of Alessandria in the Italian region Piedmont, located about southeast of Turin and about south of Alessandria.
Castelletto d'Orba borders the following municipalities: Capriata d'Orba, Lerma, Montaldeo, San Cristoforo, and Silvano d'Orba.