Poirino is a comune (municipality) in the Metropolitan City of Turin in the Italian region Piedmont, located about 20 kilometres (12 mi) southeast of Turin.Poirino borders the following municipalities: Chieri, Riva presso Chieri, Villanova d'Asti, Santena, Villastellone, Isolabella, Cellarengo, Pralormo, Ceresole Alba and Carmagnola.