The Iranian languages or Iranic languages are a branch of the Indo-Iranian languages in the Indo-European language family that are spoken natively by the Iranian peoples, predominantly in the Iranian Plateau.. The Iranian languages are grouped in three stages: Old Iranian (until 400 BCE), Middle Iranian (400 BCE–900 CE) and New Iranian (since 900 CE).

The Indo-Iranian languages (also Indo-Iranic languages or Aryan languages) constitute the largest and southeasternmost extant branch of the Indo-European language family, predominantly spoken in the geographical subregion of Southern Asia.They have more than 1.5 billion speakers, stretching from Europe (), Kurdistan (Kurdish and Zaza–Gorani) and the Caucasus eastward to …