Syria, the Decapolis: Gadara Æ 25mm, 11.2 grams. AYT KLAP KOMMODON, laureate head of Commodus, facing right. / GADRA EwN, head of Herakles, facing right. The ''Decapolis,'' from a Greek word that means ''ten cities,'' consisted of ten Greco-Roman cities located in northern Jordan, Syria and Palestine.