Manziana is a municipality in the metropolitan city of Rome Capital. It is located on the Sabatini mountains, specifically on the northern slopes of the Sabatino volcano, whose collapse gave rise to Lake Bracciano. The Manziana area was affected by settlements already in the Villanovan era, and was inhabited by the Etruscans and the Romans. In Manziana there are Trajan’s aqueduct and the devil’s bridge, probably built in the 1st century BC. in volcanic stone, with the opus quadratum technique. There are also some natural areas in the area.