The town of Santa Teresa di Gallura on a small promontory juts out to Corsica, the French island that is located geographically in the north of Sardinia.
The distance to the French border is 11 miles away, a little more than miles.
To the northeast of the country is instead the archipelago of La Maddalena, a group of Italian islands located in the sea of Sardinia. 
The development of the country is divided into two strips of land, inlets of the sea where there is a port and the other is Longone Rena Bianca.
The first area takes its name from a port that is located there, while the second is one of the most beautiful beaches in Sardinia, if not in Italy. 
As a whole the country is a typical form of a Roman camp, with a rectangular plan with the streets perpendicular to each other, Castro and decumano. This topography is derived from military camps of Roman origin, but imported from Piedmont, who here has had considerable influence in the course of history.
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