San Vito, Santu Bidu (Saint Vitus) in the Sardinian language, is a comune (municipality) in the Province of Cagliari in the Italian region Sardinia, located about 45 km (28 mi) northeast of Cagliari.San Vito borders the following municipalities: Burcei, Castiadas, Muravera, Sinnai, Villaputzu, Villasalto.It is the birthplace of launeddas player Luigi Lai.