The Diocese of Bisaccia (Latin: Dioecesis Bisaciensis) in the town of Bisaccia in the province of Avellino, in southern Italy.
In 1517, it was united with the Diocese of Sant'Angelo dei Lombardi.
[1][2] (all Roman Rite; probably incomplete) Erected: 12th Century 23 December 1517: United with the Diocese of Sant'Angelo dei Lombardi to form the Diocese of Sant'Angelo dei Lombardi e Bisaccia