Siligo is a comune in the region of Logudoro - Meilogu in the Province of Sassari in the Italian region Sardinia, located about 160 kilometres n…Siligo is a comune in the region of Logudoro - Meilogu in the Province of Sassari in the Italian region Sardinia, located about 160 kilometres north of Cagliari and about 25 kilometres southeast of Sassari.