San Sperate, Santu Sperau in Sardinian language, is a comune in the Province of South Sardinia in the Italian region Sardinia, located abo…San Sperate, Santu Sperau in Sardinian language, is a comune in the Province of South Sardinia in the Italian region Sardinia, located about 20 kilometres northwest of Cagliari. It has a population of 8 323 and an area of 26.2 square kilometres.