Theprovince of Oristano (Italian:provincia di Oristano;Sardinian:provìntzia de Aristanis) is aprovince in the autonomous island region ofSardinia inItaly. Its capital is the city ofOristano. There are 87 municipalities (comuni) in the province.[4]
As of 2025, the province has a population of 147,894 in an area of 2,990.45 square kilometres (1,154.62 sq mi).[1][2]
The province of Oristano is the smallest province in Sardinia and was formed from sections of the provinces ofCagliari and Nuoro. It occupies roughly the same area as theGiudicato of Arborea of theHigh Middle Ages.[5] It borders Nuoro, Cagliari and theSea of Sardinia.[6] A large area of the province's coastline is part of thegulf of Oristano, and the land in the province is mainly flat and there is some marshland. The province containsSanta Giusta (commune) andTharros (former city), which both date from theCarthaginian Republic's rule of the area.[6]
The town ofArborea was founded byBenito Mussolini's fascist regime as Mussolinia to be an experimental town, for which, farmers were moved from Emilia Romagna and Veneto. The River Tirso flows through the province of Oristano from the province of Nuoro,[6] and its mouth is located at the Gulf of Oristano.Temo is the only other river to flow through the province. The town of Bosa is located in the region alongside a river and its medieval fortifications remain.[5] The province of Oristano was formed in 1975[5] and had been largely unaffected by tourism.[7]
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