AVELLINO, the ancient Abellinum, a fortified city of Naples, in the province of Principato Ultra, at the foot of Mount Vergine, and 28 miles E. of Naples. It is the see of a bishop, and has a cathedral, several parish churches, a royal college, &c.; with manufactories of cloth, paper, macaroni, and sausages, and extensive dye-works. It has a considerable trade in corn, chestnuts, and hazel-nuts. This city has at various times suffered severely from earthquakes. Pop. 16,000. See ABELLINUM.