Vetto is a comune (municipality) in the Province of Reggio Emilia in the Italian region Emilia-Romagna, located about 80 kilometres (50mi) west of Bologna and about 35 kilometres (22mi) southwest of Reggio Emilia. As of 31 December 2004, it had a population of 2,063 and an area of 53.3 square kilometres (20.6sqmi).