The Hellenistic civilization was a blend of what cultures
Hellenistic is basically a Hellenic-Greek culture at its core with localized partial influences (depending on the area) of: Buddhist-Indic, Syrian-Persian-Mesopotamian, Egyptian, Jewish, Anatolian-Phrygian-Capadocian-Armenian, Thracian. For A+ kids: Persian, Egyptian, Indian, and Greek. c: