Valentano is a town and comune of the province of Viterbo, in the Lazio region of central Italy. It is 33 km from the provincial capital, Viterbo. The placename is of uncertain origin. Some identify the town with an Etruscan Verentum, others trace the name to ontano, Italian for alder, since alders cover the slopes of a nearby valley: Valle Ontano becoming Valentano. History Antiquity and High Middle Ages The town is named for the first time in a manuscript of 813 in the Farfa Register; start… (More on Valentano)