
The municipal territory borders to the north with the municipalities of Scarlino and Gavorrano, to the east and south-east with the municipality of Grosseto, while to the west and south it is bathed by the waters of the Tyrrhenian Sea.
The seaside resorts extend around sea level or at slightly higher altitudes, while in the hinterland there are 184 meters above sea level. of Buriano, the 335 meters above sea level of Vetulonia, while higher altitudes are recorded in the hamlet of Tirli and its surroundings.
The climate is Mediterranean along the coast, although it is partially affected by the proximity of the reliefs of the hilly massif of Poggio Ballone which rises to the north of the coast.