Buni is a town and the headquarters of Upper Chitral District in Khyber Pakhtunkhwa, Pakistan. The residents of Buni are Khos, and they sp…Buni is a town and the headquarters of Upper Chitral District in Khyber Pakhtunkhwa, Pakistan. The residents of Buni are Khos, and they speak Khowar which is spoken and understood throughout Chitral valley. Urdu, the national language of Pakistan, is also spoken and understood. The residents are Shia Imami Ismaili Muslims and Sunni.