Hi, other contributions are welcome here, but while you're waiting, you may be interested in a couple of earlier answers
/u/Lion_and_Sun in Why did Persia change it's name to Iran?
/u/mrhuggables and /u/CIARobotFish in Why did the people and leaders of Iran not name their country Persia? Was the term "Persia" merely a western construct? - plus, this thread contains links to a few more