Boreum, Cyrenaica Boreum, Cyrenaica Boreum was a city and diocese in Roman Libya. It is now a Roman Catholic titular see. Its modern location is Tabibbi, in southern modern Libya. Boreum was important enough in the Roman province of Libya Superior (Libya Pentapolitana; part of Cyrenaica) to become one of the suffragan sees in this province, which depended directly on the Patriarchate of Alexandria (in Egypt) without a proper Metropolitan, but faded like most bishoprics in Roman Africa. We know of only one ancient bishop, the Arian bishop Senziano, mentioned in 325. In 1933 the diocese was nominally restored as a Latin
Cyrenaica term "Pentapolis" continued to be used as a synonym for Cyrenaica. In the south, the Pentapolis faded into the Saharan tribal areas, including the pharaonic oracle of Ammonium. The region produced barley, wheat, olive oil, wine, figs, apples, wool, sheep, cattle and silphium, an herb that grew only in Cyrenaica and was regarded as a medicinal cure and aphrodisiac. Cyrene became one of the greatest intellectual and artistic centers of the Greek world, famous for its medical school, learned academies and architecture, which included some of the finest examples of the Hellenistic style. The Cyrenaics, a school of thinkers who