Decoriana (Decoriensisor Dicensis) was an ancient Roman–Berber city and former bishopric in Tunisia. It is now a Latin Catholic titular see.
History.
Decoriana, in today's Tunisia, was important enough in the Roman province of Byzacena to become one of the many suffragans of its capital Hadrumetum's Metropolitan Archbishop, yet it was to fade.
Residential bishops.
There are only two known ancient bishops of this diocese.
Titular see.
The diocese was nominally restored in 1933, as a Latin Catholic titular bishopric Decoriana.
It has had the following incumbents, all of the lowest (episcopal) rank: 
References.
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