Ptolemais may refer to: People. Ptolemais of Cyrene, a c. 3rd-century BC mathematician and musical theorist. Ptolemais, daughter of Ptolemy I Soter and mother of Demetrius the Fair. Places. Africa. Ptolemais, Cyrenaica, a city in modern-day Libya. Ptolemais Euergetis, in what is now the Faiyum in Egypt. Ptolemais Hermiou or Ptolemais in the Thebaid, modern-day El Mansha in the Sohag Governorate of Egypt. Ptolemais Theron, a city on the African coast of the Red Sea. Elsewhere. Ptolemais or Lebedus, on and around the Kısık Peninsula. Ptolemaida in West Macedonia, Greece.
https://en.wikipedia.org/wiki/Ptolemais