Arpaia is a town, comune (municipality) and former (now titular) episcopal see in the Province of Benevento in the southern Italian region Campania, located about northeast of Naples and about southwest of Benevento.
Arpaia borders the following municipalities: Airola, Forchia, Paolisi and Roccarainola.
History Arpaia, rather than present-day Montesarchio, is considered to have been the seat of the ancient Diocese of CaudiumGaetano Moroni, Dizionario di erudizione storico-ecclesiastica, vol. 10, p. 283Francesco Lanzoni, Le diocesi d'Italia dalle origini al principio del secolo VII (an. 604), vol. I, Faenza 1927, p. 186 (circa 400–600). The see was suppressed in 600, but in 1970 it was formally restored as the Latin Catholic titular see of Caudium.
See also List of Catholic dioceses in Italy Caudium Battle of the Caudine Forks
References
Sources and external links GCatholic - former & titular see = Caudium