Map highlighting the location of the province of Oristano in Italy
Oristano (Italian: Provincia di Oristano, Sardinian: Provìntzia de Aristanis) is a province in the autonomous island region of Sardinia in Italy. Its capital is the city of Oristano.
It has an area of 3,040 km², and a total population of 167,971 (2001). There are 88 municipalities (comuni) in the province [1]). As of June 2005, the main communes by population are: