The history of Santa Teresa di Gallura has very ancient origins.
In Roman times the country was called with the name "Longosardo" and played an important role for maritime traffic thanks to its port that exported pieces of marble extracted to nearby mines. The same marble has for example been used, according to tradition, For some architectural works of considerable importance, Like the Duomo and Baptistery of Pisa and the Pantheon of Rome.
Longosardo or Santa Teresa di Gallura also had illustrious visits such as that of San Francesco d'Assisi in 1263.
The locality was then invaded by the Saracen brigands, passed under the dominion of the judges of Arborea, A municipality in the province of Olbia-Tempio, who took care of defending the city and fortifying it with a castle. The same castle was then razed to the ground by the Genoese for a revenge.
With the destruction of the castle, the fall of the defenses, Longosardo was abandoned and became a refuge for pirates and corsairs that surfed in those waters.
In 1720 he passed under the dominion of the Savoy, Then Vittorio Emanuele I in 1808 began the foundation of the town around an ancient tower. It was he who decided the current name of the country and to draw the topographic plant.
