The formation of the city dates from the thirteenth century, when it was built Castle and was started planning real, centered on a simple road system to the inside walls of the rectangular, which is also detectable in a subsequent intervention of Lorenzo Maitani (1325). Castiglione later evolved into a Duchy of Della Corgna, by Pope Julius III, who was related to the family; Della Corgna (1550-1643), in particular Ascanio, deeply changed the face of the city's urban putting into practice the dictates of the classical canon theorized in those years by Vignola, the great architect working in Rome area. Was erected Building that, with Castle medieval, occupied half of the perimeter wall, while in the country was encouraged intensive cultivation of vines and olive groves, still documented by numerous timbered houses with tower.

Castiglione is now required,for quite soggirno in Umbria with the beauty of its high walls, as an almost intact medieval village and as a modern tourist center, equipped with a navigation service that connects it all `Isola Maggiore.

Currently we have no data on the accessibility of the City.