Which modern day Libyan city has its origins in the times of Ancient Greece that helped form the Pentapolis of Cyrenaica along with the cities of Ptolemais, Tauchira, Apollonia and Euesperides?
Ptolemais, Cyrenaica Ptolemais (Greek: Πτολεμαΐς) was one of the five cities that formed the Pentapolis of Cyrenaica, the others being Cyrene, Euesperides (later Berenice, and now Benghazi), Tauchira/Teuchira (later Arsinoe, and now Tocra), and Apollonia (now Susa).
Ptolemais of Cyrene Ptolemais of Cyrene (Ancient Greek: Πτολεμαῒς ἡ Κυρηναία ) was a harmonic theorist, author of "Pythagorean Principles of Music" (Πυθαγορικὴ τῆς μουσικῆς στοιχείωσις). She lived perhaps in the 3rd century BC, and "certainly not after the first century AD."