Airola is mentioned for the first time in 997. Later it was a fief of Rainulf III of Alife, of Martin Toccabove and the Cortillon family. In 1460, after the siege of Ferdinand I of Naples, it was sold to the Carafa family, and was later given to Alfonso d'Avalos who, in turn, sold it to Ferrante Caracciolo in 1575.
Church of the Annunziata (14th-15th centuries), with an Annunciation altarpiece. The bell tower is from 1735. The 18th century façade was designed by Luigi Vanvitelli.
Lombard castle
Church of San Gabriele at Monte Oliveto
Church of Santa Maria dell'Addolorata (14th century, restored in the 18th century)
Church of San Michele (16th century)
Palazzo Montevergine, built in 1606 by the Benedictines of Montevergine.