Kermanshah (Kurdish: کرماشان) (Persian: کرمانشاه; [keɾmɒːnˈʃɒː] ) is a city in the Central District of Kermanshah province, Iran, serving as capital of the province, the county, and the district. The city is 525 kilometres (326 miles) from Tehran in the western part of the country. The 2016 National Census measured the population of the city as 946,651 (2021 estimate 1,047,000).