www.iranchamber.com/people/articles/aryan_people_origins.php
The word Iran is derived from this very root, having been transformed from Aryan to Iran, meaning the land of the Aryans. This is the most ancient term applied to the Iranian Plateau, and such a term has never been detected anywhere else in the world, e.g. Europe or Turkistan.
Don't believe everything you read on Wikipedia.