'''Afghanistan''' (; Pashto and Dari: , , , ), officially the '''Islamic Emirate of Afghanistan''', is a landlocked country at the crossroads of Central and South Asia. It is bordered by Pakistan to the east and south (including a short border with Pakistani-controlled Kashmir, claimed by India), Iran to the west, Turkmenistan and Uzbekistan to the north, and Tajikistan and China to the northeast. Occupying , the country is predominately mountainous with plains in the north and the southwest that are separated by the Hindu Kush mountains. Its population as of 2020 is 31.4 million, composed mostly of ethnic Pashtuns, Tajiks, Hazaras, and Uzbeks. Kabul serves as its capital and largest city.