Quiza Xenitana
Quiza, which Pliny the Elder called Quiza Xenitana, was a Roman–Berber colonia, located in the former province of Mauretania Caesariensis. The town is identified with ruins at Sidi Bellater, Algiers. History. Quiza was originally a small Berber village, with Phoenician roots. It grew under the Roman empire. Around 120 AD, the emperor Hadrian erected an arch in the city. William Smith identified Quiza with Giza near Oran, Algeria in his work, Dictionary of Greek and Roman Geography. More recent investigations have identified it with present-day El-Benian on the coast road between Mostaga and Dara. In  his "Natural History", 4.2.3., Pliny the Elder: writes: "Next to this is Quiza Xenitana, a town founded by strangers"; a remark explained because the word "Xenitana" is derived from Greek ξένος, "a stranger", as explained also by Victor Vitensis. The town is mentioned also by Pliny elsewhere (5.2), by Ptolemy, and by Pomponius Mela. Bishopric. Quiza is also a titular see of Christianity. Quaestoriana was in the ecclesiastical provence of Byzacena. At the Council of Carthage (411), which brought together Catholic and Donatist bishops, Quiza was represented by the Catholic Priscus, who had no Donatist counterpart. He is mentioned also  in a letter of Saint Augustine to Pope Celestine I. Tiberianus of Quiza was one of the Catholic bishops whom the Arian Vandal king Huneric summoned to Carthage in 484 and then exiled. In addition, the name of a Bishop Vitalianus appears in the mosaic pavement of the excavated basilica of Quiza. Bishops No longer a residential bishopric, Quiza is today listed by the Catholic Church as a titular see.