[custom_adv] Afghanistan, officially the Islamic Republic of Afghanistan, is a landlocked country located in South-Central Asia. Afghanistan is bordered by Pakistan in the south and east; in the west; Turkmenistan, Uzbekistan, and Tajikistan in the north; and in the far northeast, China. [custom_adv] Its territory covers 652,000 square kilometers (252,000 sq mi) and much of it is covered by the Hindu Kush mountain range. Kabul serves as the capital and its largest city. [custom_adv] Human habitation in Afghanistan dates back to the Middle Paleolithic Era, and the country's strategic location along the Silk Road connected it to the cultures of the Middle East and other parts of Asia. [custom_adv] The land has historically been home to various peoples and has witnessed numerous military campaigns, including those by Alexander the Great, Mauryas, Muslim Arabs, Mongols, British, Soviets, and since 2001 by the United States with NATO-allied countries. It has been called "unconquerable" and nicknamed the "graveyard of empires". [custom_adv] The land also served as the source from which the Kushans, Hephthalites, Samanids, Saffarids, Ghaznavids, Ghorids, Khaljis, Mughals, Hotaks, Durranis, and others have risen to form major empires. [custom_adv] 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. [custom_adv] According to estimates in 2019, the population of Kabul is 5.266 million, which includes all the major ethnic groups of Afghanistan. Rapid urbanization had made Kabul the world's 75th largest city. [custom_adv] Kabul is located high up in a narrow valley between the Hindu Kush mountains, with an elevation of 1,790 metres (5,873 ft) making it one of the highest capitals in the world. The city is said to be over 3,500 years old, mentioned since at least the time of the Achaemenid Empire. [custom_adv] In the early 19th century, the British occupied the city but after establishing foreign relations they were compelled to withdraw all forces from Afghanistan. The city was occupied by the Soviets in 1979 but they too abandoned it after the 1988 Geneva Accords were signed. [custom_adv] Afghanistan, officially the Islamic Republic of Afghanistan, is a landlocked country located in South-Central Asia. Afghanistan is bordered by Pakistan in the south and east; in the west; Turkmenistan, Uzbekistan, and Tajikistan in the north; and in the far northeast, China. [custom_adv] Its territory covers 652,000 square kilometers (252,000 sq mi) and much of it is covered by the Hindu Kush mountain range. Kabul serves as the capital and its largest city. [custom_adv] The land also served as the source from which the Kushans, Hephthalites, Samanids, Saffarids, Ghaznavids, Ghorids, Khaljis, Mughals, Hotaks, Durranis, and others have risen to form major empires.