Capriata d'Orba is a comune (municipality) in the Province of Alessandria in the Italian region Piedmont, located about 90 kilometres (56 mi) southeast of Turin and about 25 kilometres (16 mi) south of Alessandria. As of 31 December 2004, it had a population of 1,862 and an area of 28.3 square kilometres (10.9 sq mi).