Busachi (official name in Sardinian language: Busache) is a comune (municipality) in the Province of Oristano in the Italian region Sardinia, located about 90 kilometres (56 mi) north of Cagliari and about 30 kilometres (19 mi) northeast of Oristano.Busachi borders the following municipalities: Allai, Fordongianus, Ghilarza, Neoneli, Samugheo, Ula Tirso.