Final answer:
The Persian Empire flourished in present-day Iran. They created an enormous empire that reached from the Indus Valley to Northern Greece and from Central Asia to Egypt.
Step-by-step explanation:
The Persian Empire flourished in present-day Iran. The heart of ancient Persia was in the region called Fars in southwest Iran. The Persians, also known as the Achaemenids, created an enormous empire that reached from the Indus Valley to Northern Greece and from Central Asia to Egypt. They incorporated all of the ancient civilizations of the Middle East and even included Egypt in their empire.