Ollastra
Ollastra is a comune in the Province of Oristano in the Italian region Sardinia, located about northwest of Cagliari and about northeast of Oristano.
Ollastra Simaxis borders the following municipalities: Fordongianus, Siapiccia, Simaxis, Villanova Truschedu, Zerfaliu.
From 1928 to 1946 the place was a frazione of nearby Simaxis and was therefore known as Ollastra Simaxis. It changed its name to simply Ollastra in 1991.