The region that's now called "Iran" was called Persia by the West for at least 2000 years, until the Shah of Iran requested the world to refer to the country as

The region that's now called "Iran" was called Persia by the West for at least 2000 years, until the Shah of Iran requested the world to refer to the country as "Iran", which is the term used by the Iranians. Fun fact: "Iran" means "the land of the Aryans".