The Achaemenid Persian Empire was roughly 4,500 kilometers wide, stretching from west of current Benghazi, Libya to east of current Qandahar, Afghanistan.
The Persian Empire covered many countries, but was primarily based and organized in the modern state of Iran.
The Persian Empire no longer exists. Its components are now the countries of northeast Africa, the Middle East and Central Asia.
Iran, Iraq, Turkey, Syria, Isreal, Jordan, Lebanon and many other countries control land that used to be the Persian Empire.
Usually when one says Persian it is automatically referenced to the country of Iran. Technically, Persia is associated with the Persian empire which once included the current countries of Greece, Turkey, Armenia Lebanon, Israel, Palestine, Syria, Jordan, Egypt, Pakistan, Afghanistan, Iraq, Kazakhstan, Macedonia, Bulgari, Azerbaijan (among many other countries) For this reason a lot of these countries are influenced by Persian culture.
The seven modern countries which would've been located in the Persian Empire include Syria, Iraq, Iran, Afghanistan, Turkey, Bulgaria and Pakistan. The Persian Empire ruled much of the Middle East from 500 BC through the 1960s.
From Libya to Central Asia.
Greek city-states vs Persian Empire
The Persian Empire.
The Persian Empire was not a person.
The Empire stretched form today's countries Libya, through Egypt, those in the Middle East and Central Asia, and Pakistan.
Persian Empire