What is "simmias"

Simmias (Greek: Σιμμίας) may refer to:

• Simmias of Thebes follower of Socrates
• Simmias of Macedon general of Alexander the Great
• Simmias of Rhodes poet and grammarian (late 4th century BC)
• Simmias of Syracuse student of philosophy
• Simmias Ptolemaic explorer of Red Sea. (3rd century BC)

Simmias was an officer in the service of Ptolemy III Euergetes, king of Egypt, who was sent by him to explore the shores of the Red Sea and the coasts of Ethiopia. Much of the information recorded by the geographer Agatharchides was derived from his authority.