|name=Indo-Iranian
|region= South Asia
|familycolor=Indo-European
|child1= Indo-Aryan / Sanskrit
|child2= Iranian }}
The Indo-Iranian language group constitute the easternmost extant branch of the , the Iranian and the Dardic . The term Aryan is also used to refer to the Indo-Iranian languages. According to most Aryan migration theories, speakers of the Proto-Indo-Iranian Language , who referred to themselves as Aryans, settled east and south of the Caspian Sea in Northern India , Pakistan , Iran and Afghanistan . Their expansion is believed to have been connected with the invention of the Chariot .
