Afghanistan is a vast country and as a result has a rich mix of ethnicities and tribes. The Pashtun are Sunni Muslims who speak Pashto. They form around 65 -75% of the population and are concentrated in mainly Ningrahar and Paktia provinces. A large population also live in neighboring Pakistan. Tajiks form roughly 15% of the population. They speak a form of Persian called Dari, although some people refer to it as Farsi which is found in Eastern Iran. Most are Sunni Muslims and reside in Kabul and Herat provinces, although some reside in the mountains north of Hindu Kush, and the Iranian border. Hazaras make up about 7% of the population. They are descendants of the Mongols, and speak a dialect of Persian that contains many Turkish words. They are mainly Shiite Muslims which led to much of their persecution under the Taliban rule. Most live in the Hazarajat region. Uzbeks live in the northern parts of the country and also make up about 4% of the population. They are Sunni Muslims and speak a dialect of Turkish. The Turkmen are a small minority with making only 2% of the population. Baluch people are pastoral nomads who speak Baluchi, a language that is thought to be derived from Iran. They make up about 1% of the population.