Chersonesos or Chersonesus ( Greek: ) was an ancient city of Sicily, Italy. It was one of the oldest Greek colonies in Sicily, being founded in 717 or 716 BCE. (Jerome, ap. Eusebius, Chronikon, 157). Its precise location is not now known, but it is near Syracuse ( Ptol. 3. 94. 4).
Chersonesos was an ancient Greek city located in Thrace, located in the region of the Thracian Chersonesos.