Unizibira was an ancient town and bishopric in Roman North Africa which remains a Latin Catholic titular see.
Unizibira is plausibly identified with modern Henchir-Zembra,[1] now in the Sahel region of southern Tunisia. The main archaeological remains of the town are those of a Roman amphitheatre.
It was among many cities important enough in the Roman (later Byzantine) province of Byzacena, to become a suffragan diocese (Latin: dioecesis Unizibirensis or Unuzibirensis) of the Metropolitan of Carthage, in the papal sway.
There are three historically documented bishops of Unizibira :
The bishopric ceased to function in the seventh century at the advent of Islam.
The diocese was nominally restored in 1933 as a titular bishopric of Unizibira (Latin = Curiate Italian) / Unizibiren(sis) (Latin adjective).
It has had the following incumbents, so far of the fitting Episcopal (lowest) rank: