Carbognano is a comune (municipality) in the Province of Viterbo in the Italian region Latium, located about 50 km northwest of Rome and about 15 km southeast of Viterbo. As of 31 December 2004, it had a population of 1,992 and an area of 17.2 km².Carbognano borders the following municipalities: Caprarola, Fabrica di Roma, Nepi, Vallerano.Old city of Viterbo is still today enclosed from powerful walls in lava stone whose construction is begun in 1095 and completed in 1268. They are high beyond ten meters, with towers very conserved and still intact medieval doors; the nucleus of Viterbo has maintained medieval aspect in particular in the Quarter of Saint Pellegrino, with palaces and towers of XIII century. Monumental complex important of the City of Viterbo is undoubtedly the papal palace on the hill of the dome that represents great testimony of gotic architecture, with double lancet windows, merlons, arches; it...