(the Asculum Picenum of the Romans), an ancient episcopal city of Italy, States of the Church, and capital of a delegation of the same name. It is situated on the right bank of the river Tronto, at the junction of that river with the Castellano, 53 miles south of Ancona. It is a handsome and well-built town, with a cathedral and numerous churches, many of which are ornamented with valuable paintings by native artists. It has also a Jesuit's college, governor's residence, many private palaces, and a modern palazzo containing a museum, library, and theatre. It is surrounded by old walls and towers, and contains a citadel. Its harbour is defended by two forts, and is frequented by coasting vessels. Pop. 13,000.