Falerii Novi was a walled town in the Tiber River valley, about 50 kilometres north of Rome and 6 kilometres west of Civita Castellana.
Wikipedia https://en.wikipedia.org/wiki/Falerii_Novi
Official Website http://www.amphi-theatrum.de/1545.html
Address 49 Via Falerina, 01034, Italy
Coordinates 42°18'9.55" N 12°21'39.741" E