Melzi was a civitas (town) of the Roman Empire during late antiquity.
[1][2] The town was in the Medjerda River valley of northern Tunisia.
It was a civitas of the Roman province of Africa Proconsularis,[3] And the town has been tentatively identified with ruins at the Oued-Melzi Wadi and the Bagrada river confluence.
[4][5] In antiquity the town was also the seat of a Christian bishopric,[6][7] suffragan of the Archdiocese of Carthage.
[8] [9][10] There are two documented bishops of this African dioceses.