Zaranj is a city in southwestern Afghanistan, which has a population of 160,902 people as of 2015. It is the capital of Nimruz Province and is linked by highways with Lashkargah and Kandahar to the east, Farah to the north and the Iranian city of Zabol to the west.

Afghanistan, officially the Islamic Emirate of Afghanistan, is a landlocked country located at the crossroads of Central Asia and South Asia. Referred to as the Heart of Asia, it is bordered by Pakistan to the east and south, Iran to the west, Turkmenistan to the northwest, Uzbekistan to the north, Tajikistan to the northeast, and China to the northeast and east. Occupying 652,864 square kilometers (252,072 sq mi) of land, the country is predominantly mountainous with plains in the north and the southwest, which are separated by the Hindu Kush mountain range. Kabul is the country's largest city and serves as its capital. According to the World Population review, as of 2023, Afghanistan's population is 43 million. The National Statistics Information Authority of Afghanistan estimated the population to be 32.9 million as of 2020.