Iranshahr (Persian: ايرانشهر, also Romanized as Īrānshahr; formerly, Fahrej, Fehruj, and Qal‘eh-ye Nāşerī) is a city in and capital of Iranshahr County, Sistan and Baluchestan Province, Iran. As of 2010 the population of Iranshahr was 100,000. The city is predominantly inhabited by ethnic Baloch speaking the Balochi language.