Ponzano Romano is a comune in the Metropolitan City of Rome in the Italian region Latium, located about 40 kilometres north of Rome. As of 31 December 2004, it had a population of 1,061 and an area of 19.3 square kilometres. Ponzano Romano borders the following municipalities: Civita Castellana, Civitella San Paolo, Collevecchio, Filacciano, Forano, Nazzano, Sant'Oreste, Stimigliano.