Afghanistan is a country located in the center of the Asian continent and shares borders with Iran (west), Pakistan (south and east), Tajikistan, Uzbekistan and Turkmenistan (north) and China (northeast). Afghanistan has an area of 652,860 km (the 40th largest country in the world), and a population of about 40 million people (the 37th most populous country in the world). Kabul is the capital and the largest and most populous city of this country. Other major cities include Herat, Balkh, Jalalabad and Kandahar. The official languages of Afghanistan are Pashto and Dari. Afghanistan is a multi-ethnic country which include Pashtun, Tajik, Hazara, Uzbek, Aimaq, Turkmen, Baloch and Others. 99.7% of Afghanistan's people are Muslims and 0.3% are other religions. The currency of Afghanistan is the Afghani.