The Greek theater. 3rd century BC. Located on the top of Monte Barbaro at 440m above sea level. Diameter : 63 meters. Capacity: 4000 people.(Greek civilization) - Segesta (Segeste) was one of the major cities of the Elymians; one of the three indigenous peoples of Sicily. The hellenization of Segesta happened very early. Segesta is located in the northwestern part of Sicily in Italy; near the modern commune of Calatafimi-Segesta. The ruins of the city are located on the Monte Barbaro.Sicily; Italy.(2020)