Manziana is a comune in the Metropolitan City of Rome in the Italian region Latium, located about 40 kilometres northwest of Rome. Manziana borders the following municipalities: Bracciano, Canale Monterano, Oriolo Romano, Tolfa.
Wikipedia https://en.wikipedia.org/wiki/Manziana
Coordinates 42°7'49.239" N 12°7'48.976" E