The Metropolitan City of Sassari is a metropolitan city in the autonomous island region of Sardinia (Italy). Its capital is Sassari, the second-largest city in Sardinia.
The Metropolitan City was carved out from the former Province of Sassari on April 16, 2021 and became functional on April 1, 2025. It has 311,128 inhabitants across its 66 municipalities.
History The Province of Sassari absorbed the province of Olbia-Tempio by a regional decree in 2016.
On April 16, 2021, under Sardinian Regional Council's Regional Law Nr. 7, the Province was restored as the Metropolitan City of Sassari, becoming the country's newest metropolitan city. The province became fully functional on April 1, 2025.
Geography Facing the Sardinian Sea to the west and north, the province is bordered by the province of Oristano to the east, the province of Nuoro to the southeast and the province of Gallura North-East Sardinia to the east. It has an area of .
The province includes the Sardinian historical regions of Goceano, Meilogu, Nurra, Romangia and Sassarese, as well as parts of Anglona and Monteacuto.
Climate
Government The Metropolitan mayor is by right the mayor of the administrative capital city. The first extraordinary administrator (amministratore straordinario) of the metropolitan city was Gavino Arru, appointed by resolution 36/2 of September 19, 2024 of the Autonomous Region of Sardinia. The inaugural mayor of the metropolitan city has been Giuseppe Mascia, holding the office since September 2025.
List of metropolitan mayors No. Metropolitan mayor Term start Term end Party –Gavino Arru(Special administrator)1 April 202530 September 2025– 1Giuseppe Mascia30 September 2025IncumbentPD
Municipalities
The province has 66 municipalities: Alghero Anela Ardara Banari Benetutti Bessude Bonnanaro Bono Bonorva Borutta Bottidda Bultei Bulzi Burgos Cargeghe Castelsardo Cheremule Chiaramonti Codrongianos Cossoine Erula Esporlatu Florinas Giave Illorai Ittireddu Ittiri Laerru Mara Martis Monteleone Rocca Doria Mores Muros Nughedu San Nicolò Nule Nulvi Olmedo Osilo Ossi Ozieri Padria Pattada Perfugas Ploaghe Porto Torres Pozzomaggiore Putifigari Romana Santa Maria Coghinas Sassari Sedini Semestene Sennori Siligo Sorso Stintino Tergu Thiesi Tissi Torralba Tula Uri Usini Valledoria Viddalba Villanova Monteleone
Demographics As of 2026, the population is 311,128, of which 49.1% are male, and 50.9% are female. Minors make up 12.0% of the population, and seniors make up 27.9%.
Immigration As of 2025, the foreign-born population is 15,122, making up 4.8% of the total population.
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