AVELLINO, episcopal see, Campania, Italy, capital of prov ince of Avellino, soft. above sea-level, 28m. direct and 59m. by rail E.N.E. of Naples, at the foot of Mt. Vergine. Pop. (1931) 20,176 (town) ; (commune). It is the junction for Bene vento and Rocchetta S. Antonio. The name derives from the an cient Abellinum, ruins of which lie 21m. N.E., close to Atripalda village, and consist of remains of city walls and an early imperial amphitheatre. Abellinum appears to have been the chief place of a tribe, to which belonged also some independent communities among the Hirpinii and Apulians. It lay on the boundary of Campania and the territory of the Hirpinii, at the junction of the roads from Nola (perhaps also from Suessula) and Salernum to Beneventum. In the 9th or loth century castle (now ruined) the antipope Anacletus II. crowned Count Roger II. king of Sicily and Apulia.