Hermiana was a town in the Roman province of Byzacena. It may have been situated in the plain of Bled Hammiane, and had its own bishop. The diocese is now a titular see of the Catholic Church.^[1]

The Latin adjective relating to the episcopal see is Hermianensis.^[2][3]

A bishop of the town was the Church Father, Facundus of Hermiane.

The first titular bishop of the see was appointed on 1 April 1952.^[4][5]