 Rione Pomposo, the widest district of the city, included large orchards and convents.Rione Montecavallo, on the southern part of the historical centre, is characterized by bowed, irregular streets of medieval origins, by the Fossa Patara creek and a small hill called "Montirone".Outside of the city walls, there are four boroughs (Borghi), which were entirely incorporated to the city by the urban sprawl in early 20th century.