The Castle of Sant’Andrea di Suasa rises on a hill at 265 meters from the sea and is surrounded still today by mighty medieval walls with a single entry arc. Built around 1000 A.D. for work of the Benedictine monks of the Abbey of San Lorenzo in Campo, almost on the ruins of Suasa, the famous roman metropolis destroyed by Alaric in 409 A.D.

The surviving population withdrew on various hills along the valley of the Cesano and over time it gave rise to various countries or castles still Existing. The Benedictine monks gathered a part of these polazioni, organized, began the construction of the castle walls and, around 1100, founded in Sant’Andrea one of the first free communes of the Marches.