The Roman Catholic Diocese of Lettere-Gragnano was a Latin Catholic diocese located in the commune of Lettere in the Metropolitan City of Naples in the southern-central Italian region Campania.
In 1818, it was merged into the Diocese of Castellammare di Stabia.
[1][2] Erected: 984 Latin Name: Litterensis Name Changed: 1169 1818 Suppressed to the Diocese of Castellammare di Stabia In 1968 the diocese was nominally restored, under its original name, as Titular bishopric of Lettere (Curiate Italian) / Litteræ (Latin) / Litteren(sis) (Latin adjective) [2] It has had the following incumbents, of the fitting Episcopal (lowest) rank with an archiepiscopal exception :