The Rocca Maggiore is a castle which dominated, for more than eight hundred years, the citadel of Assisi and the valley of Tescio, constituting the most viable fortification for their defense.
Wikipedia https://en.wikipedia.org/wiki/Rocca_Maggiore
Address Via della Rocca, Assisi 06081, Italy
Coordinates 43°4'24.175" N 12°36'54.386" E