Kabul (; ) is the capital and largest city of Afghanistan, located in the eastern section of the country. It is also a municipality, forming part of the greater Kabul Province, and divided into 22 districts. According to estimates in 2020, the population of Kabul is 4.222 million, which includes all the major ethnic groups of Afghanistan. Afghanistan's only city with a population of over 1 million, Kabul serves as its political, cultural and economical center. Rapid urbanization has made Kabul the world's 75th largest city.