TREVICO. – Village and former diocese in the province of Avellino.
It was an episcopal see from the 10th century onward, suffragan of Benevento; it was suppressed by Pope Pius VII in 1818 and incorporated into the see of Lacedonia. The patron of the diocese was s. Euplo; the former cathedral, now a collegiate church, is dedicated to the Blessed Virgin Mary.
BBL. : Eubel, I, p. 525; II, p. 292; III, p. 333; IV, p. 346; V, p. 391. Enrico Josi