Sardinia along with the Aosta Valley, Trentino-Alto Adige/Südtirol, Friuli Venezia Giulia and Sicily. Its particular statute, which in itself is a constitutional law, gives the region a limited degree of autonomy, entailing the right to carry out the administrative functions of the local body and to create its own laws in a strictly defined number of domains. The regional administration is constituted by three authorities: Since 2016, Sardinia is divided into four provinces (Nuoro, Oristano, Sassari, South Sardinia) and the metropolitan city of Cagliari. Around 65% of all the Italian and NATO military installations in Italy are on Sardinia, whose area
Sardinia Kingdom ended and Sardinia was returned to Roman rule. In 533, Sardinia returned to the rule of the Byzantine Empire when the Vandals were defeated by the armies of Justinian I under the General Belisarius in the Battle of Tricamarum, in their African kingdom; Belisarius sent his general Cyril to Sardinia to retake the island. Sardinia remained in Byzantine hands for the next 300 years aside from a short period in which it was invaded by the Ostrogoths in 551. Under Byzantine rule, the island was divided into districts called "mereíai" (μερείαι) in Byzantine Greek, which were governed by a