Wikipedia
Ollastra
Ollastra is a comune (municipality) in the Province of Oristano in the Italian region Sardinia, located about northwest of Cagliari and about northeast of Oristano. As of 31 December 2004, it had a population of 1,257 and an area of .
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.