What four influences blended to form Hellenistic culture?

The Hellenistic period followed Alexander the great conquered of the Persian empire. including Egypt The Greeks founded cities in the conquered areas which led to Greek influence on the Persians and Egyptians. At the same time the Persians and Egyptians had some influence on the Greeks. An Indo-Greek kingdom was formed.

In Egypt the Greek ruling dynasty, the Ptolemies) portrayed themselves as pharaohs and adopted elements of Egyptian culture. In the Indo-Greek kingdom some kings converted to Buddhism