Airola is a comune (municipality) in the Province of Benevento in the Italian region Campania, located about 35 km northeast of Naples and about 20 km southwest of Benevento in the Valle Caudina, facing the Monte Taburno. Nearby is the confluence of the Tesa and Faenza streams into the Isclero River. Airola's territory is also crossed by the Acquedotto Carolino, carrying waters to the Caserta Palace.