Cyrenaica Cyrenaica Cyrenaica ( ; , , after the city of Cyrene; ) is the eastern coastal region of Libya. Also known as "Pentapolis" ("Five Cities") in antiquity, it formed part of the Roman province of Crete and Cyrenaica, later divided into "Libya Pentapolis" and "Libya Sicca". During the Islamic period, the area came to be known as "Barqa", after the city of Barca. Cyrenaica was the name of an administrative division of Italian Libya from 1927 until 1943, then under British military and civil administration from 1943 until 1951, and finally in the Kingdom of Libya from 1951 until 1963.
Cyrenaica of Nicaea in 325. The subscriptions at Ephesus (431) and Chalcedon (451) give the names of two other bishops, Zenobius and Theodorus. Although it retained the title "Pentapolis", the ecclesiastic province actually included all of the Cyrenaica, not just the five cities. Pentapolis is still included in the title of Popes of the Coptic Orthodox Church and the Greek Orthodox Church of Alexandria. Cyrenaica was conquered by Muslim Arabs during the tenure of the second caliph, Omer Bin Khattab, in 643/44, and became known as Barqah after its provincial capital, the ancient city of Barce. After the breakdown of the