The Nuristanis, formerly known as Kafiristanis, are an ethnic group native to the Nuristan Province of northeastern Afghanistan and Chitral District of northwestern Pakistan. Their languages comprise the Nuristani branch of Indo-Iranian languages. The Nuristanis reside mainly in the northeast of Afghanistan and northwest of Pakistan; between the Pashtun tribes of Kunar, Kalash in Pakistan's Chitral, and Tajiks of Badakhshan in the north.