Two charming villages, San Gregorio da Sassola and Sambuci, located respectively 10km and 15km from the town of Tivoli are known thanks to their historic castles, which are the landmarks not only of these two villages, but of the entire region Latium.

San Gregorio da Sassola is located on a hillside. The medieval center of the village (borgo), with its castle has the origin in the middle of the 10th century. It was built as a defense of the first settlement. Its protective function was lost the value within centuries, and the castle became the residence of the rich people.