A series of historical empires that ruled over the Iranian plateau, the original Persian homeland, and beyond in Western Asia, Central Asia and the Caucasus. (source:Wikipedia)
an empire in S Asia created by Cyrus the Great in the 6th century BC and destroyed by Alexander the Great in the 4th century BC
an empire in southern Asia created by Cyrus the Great in the 6th century BC and destroyed by Alexander the Great in the 4th century BC