Castle Rocca di urbisaglia - a military fortress of the 16th century in the town urbisaglia in the Italian region of Marche, in the territory of which also are the ruins of medieval and ancient fortified walls. Its favorable geographic location, dominates the populated area and the valley of the river Fiastra, suggests that once it is at this place was a stronghold of the Roman town of Urbs Salvia. And when the barbarians attacked the city, its population had taken refuge within the walls of the citadel.

In the 13th century the family Abbrachchamonte, the rules urbisaglia, gradually began to sell their holdings municipality of Tolentino, and soon the whole city was in the power of the latter. In order to prevent riots among residents urbisaglia, Tolentino appealed to Pope Alexander VI with a request to build a new castle. Permission was granted, and already in 1507, the year on the site of the ancient citadel up a new lock. At the same time on garrison duty we have taken up the first 12 soldiers.

Rocca di urbisaglia has a trapezoidal shape, a long wall which faces away from the city side to protect against possible attacks .  At the corners are four towers also have traversed and watchtowers .  The latter was originally observation tower .  Between the 12th and 15th centuries, it has undergone a number of significant changes, and its current height - 24 meters - lower than was originally .  The top of the tower, topped by merlons Ghibellines once had a gable roof, and the only entrance to it was possible for a wooden staircase, which was removed in the event of danger .  Proezdnaya tower was protected by the north tower and dungeon, and had its own musket loopholes .  The south tower was the most fortified, as it was facing away from the city and in the event of an attack would have been the first fire .  It is at the base of the tower traces of the Roman defensive wall .  In the eastern tower, located inside the walls of the fortress were stored provisions and military equipment, and in case of a siege of the castle it could be used as a living room .