Catrum
Catrum was an ancient city and diocese in Africa Proconsulare. It is now a Roman Catholic titular see.History
Catrum was among the numerous cities in the Roman province of Mauritania Caesariensis which were important enough to become suffragan dioceses, but faded - in its case so completely that even its location in present Algeria is unclear.
No bishop was historically documented.Titular see
The diocese was nominally restored in 1989 as Latin Titular bishopric of Catrum / Catro / Catrensis.
It has had the following incumbents, so far of the fitting Episcopal rank :