Iran.
The provinces of the Persian Empire were called satrapi.
Iran
There is not a country called Persia at present. Today's Iran was called Persia in ancient times. Now it is 1.68sq km.
In 1935 Reza Shah (king of Persia) declared that Persia will now be called Iran meaning land of nobles or land of aryans.
Persia is called IRAN today and Cathay is the northern part of what is CHINA today.
Up until 1935, Iran was called Persia by foreigners. Before that, Persia was always the name of the country.The Iranians themselves, though, always called their land "Iran".
Today, the country or land called Iran was once known as Persia. In 1935, the name Iran was adopted for this country. The area of Iran is 1.648 million square kilometers.
It covered Southwestern Asia. Persia itself is Iran.
Persia, today called Iran.
In 1856, Persia lost land in Afghanistan to Britain.
Persia is located on a flat land