Fabro is a comune in the Province of Terni in the Italian region Umbria, located about 40 km southwest of Perugia and about 60 km northwest of Terni. Fabro borders the following municipalities: Allerona, Cetona, Città della Pieve, Ficulle, Montegabbione, Monteleone d'Orvieto, San Casciano dei Bagni.