Zahedan
As of 2016, Zahedan has 587,730 people. In the 1930s, Zahedan was a small village. In 1930, Zahedan's population reached 17,500. and increased more than fivefold to 93,000 by 1976. After 1980, large numbers of Iranians fleeing the Soviet invasion of Afghanistan helped triple the population of Zahedan to more than 281,000 by 1986, a number which has since doubled again.