What is "ptolemais"

Ptolemais, an Ancient Greek place name and feminine personal name, may refer to:

• Acre, Israel, once named Antiochia Ptolemais after Ptolemy I Soter
• Crocodilopolis, an Egyptian city renamed Ptolemais Euergetis by Ptolemy III Euergetes
• Ptolemaida, a Greek city in Northern Greece, named after Ptolemy I Soter
• Ptolemais (Cyrenaica), a city in present-day Libya probably named after Ptolemy III Euergetes
• Ptolemais Hermiou, a Greek colony established in Egypt by Ptolemy I Soter
• Ptolemais Theron, a city on the African coast of the Red Sea, established by Ptolemy II Philadelphus

• Ptolemais of Cyrene, a third-century BC mathematician and musical theorist, author of Pythagorean Principles of Music
• Ptolemais, daughter of Ptolemy I Soter and mother of Demetrius the Fair