Borujerd
Borujerd ( ) is a city in the Central District of Borujerd County, Lorestan province in western Iran, and serves as both capital of the district and of the county. At the 2021 National Census, its population was 334.497 in 59,388 households. The following census in 2011 counted 240,654 people in 71,730 households. The latest census in 2016 showed a population of 234,997 people in 74,146 households. Among the existing modern cities in Iran, Borujerd is one of the oldest reported at least since the 9th century. In Sassanid Empire, Borujerd was a small town and region neighboring Nahavand. Gaining more attention during Great Seljuq Empire in the 9th and 10th centuries, Borujerd stood as an industrial, commercial and strategic city in Zagros Mountains until the 20th century. In its golden ages, Borujerd was selected as the state capital of Lorestan and Khuzestan region during Qajar dynasty in the 18th and 19th centuries. Due to the existence of a large number of production and industrial units and the supply of their products in the domestic and foreign markets, Borujerd is considered the industrial hub of Lorestan province. Foundation and name The history of Borujerd before the advent of Islam is