Answer :
The answer is persepolis was the capital of the Achaemenid Empire.It was built on an immense half-artificial, half-natural terrace, where the king of kings created an impressive palace complex inspired by Mesopotamian models.
Persepolis is the Greek name for the ancient city of Parsa, located seventy miles northeast of Shiraz in present-day Iran. The name Parsa meant 'City of The Persians' and construction began at the site in 518 BCE under the rule of King Darius the Great.