Emir Dost Mohammad Khan Barakzai, nicknamed the Amir-i Kabir, was the founder of the Barakzai dynasty and one of the prominent rulers of Afghanistan during the First Anglo-Afghan War. With the decline of the Durrani dynasty, he became the Emir of Afghanistan in 1826. An ethnic Pashtun, he belonged to the Barakzai tribe. He was the 11th son of Payendah Khan, chief of the Barakzai Pashtuns, who was killed in 1799 by King Zaman Shah Durrani.

Kandahar is a city in Afghanistan, located in the south of the country on the Arghandab River, at an elevation of 1,010 m (3,310 ft). It is Afghanistan's second largest city after Kabul, with a population of about 614,118. It is the capital of Kandahar Province and the centre of the larger cultural region called Loy Kandahar. Kandahar is the founding city and spiritual center of the Taliban. Despite the capital of Afghanistan being Kabul, where the government administration is based, Kandahar is the seat of power in Afghanistan as the supreme leader and his spiritual advisers are based there. Kandahar has therefore been called the de facto capital of Afghanistan, though the Taliban maintain Kabul is the capital.