It is the fourth largest municipality in Sardinia by population, after Cagliari, Sassari and Quartu Sant'Elena, and the second by extension after Sassari
It was the ancient capital of the Giudicato of Gallura and the first episcopal center of the Gallura (diocese of Civita - Ampurias until 1839)
The first traces of human settlements are fragments of pottery found in Porto Rotondo and a characteristic female figure representing the mother goddess found in Santa Mariedda and dating back to the middle Neolithic
Due to its favorable position and the gulf to protect boats, it has been visited by all Mediterranean civilizations over the centuriesPhoenicians, Roman Greeks among others
Each has left its mark on history and territory
Among these, the most important monuments of the Nuragic period are: the nuraghe Riu Mulinu in Cabu Abbas ;
The nuraghe Putzolu, also called the Naracu;
the nuragic village of Belveghile, along the elevated road in a northerly direction towards Arzachena; Nuraghe Mannazzu or Mannacciu;
Nuraghe Siana or Zucchitta, near Enas train station;
the nuraghe Sa prescione 'and Siana , on a hill overlooking the plain of Olbia;
The sacred well of Sa Testa, dating back to the period between 1200 and 950 BC
