The Diocese of Caiazzo is a former Roman Catholic ecclesiastical territory in the province of Caserta, southern Italy, abolished in 1986, when it was united into the Diocese of Alife-Caiazzo. It was a suffragan of the archdiocese of Capua.
According to legend, Christianity was introduced by St. Priscus, first Bishop of Capua. The first known bishop of Caiazzo was Arigisus, the exact time of whose episcopate is uncertain; however, as the name indicates, it could not have been before the beginning of the seventh century, when the Lombards settled in that region.
Others were:
Erected: 9th Century
Metropolitan: Archdiocese of Capua
This article incorporates text from a publication now in the public domain: Herbermann, Charles, ed. (1913). "". Catholic Encyclopedia. New York: Robert Appleton.