Markazi Province Markazi province was part of the Median Empire in the first millennium BC, which included all of the central and western parts of modern-day Iran. The region is considered to be one of the ancient settlements on the Iranian plateau. Numerous remaining ruins testify to the antiquity of this area. In the early centuries Islam, the name of the area was changed to Jibal or Qahestan. By the early 10th century, Khorheh had become a famous city of Jibal province, followed by Tafresh and Khomein. In recent times, the expansion of the North-South railroad (commonly known as the Persian Corridor) and the establishing of major industries helped boost development in the area. Many figures in Iranian history trace their beginnings to this province. namely: Mirza Abulqasem Qaem Maqam, Abbas Eqbal Ashtiani, Mirza Taqi Khan Amir Kabir, Qaem Maqam Farahani, Mahmoud Hessabi, Ayatollah Khomeini, Ayatollah Araki, and many others.
Arak City Arak, with ancient name of Soltan Abad, is the capital of Markazi Province, Iran. In the 2011 census, its population was 526,182. The modern-day city of Arak was founded during the Qajar era. Named Soltan Abad at the time, it was founded in 1808 by Yusef Khan e Gorji,a pro-Iranian warlord who was given refuge by the Qajar king Agha Mohammad Khan, following a territorial dispute with his cousins who were supported by the Russian empress Catherine the Great. Beginning by the last quarter of the 19th century, the city achieved major developments in carpet industry, and eventually became Iran's most important center of carpet production for export markets, continuing up until at least 1940. It is a major industrial city in Iran, hosting many industrial complexes Machin Sazi Arak, IRALCO, Shaand petrochemical complex, Imam Khomeini refinery, AarAb and HEPCO. The city is also an important station for the Trans-Iranian Railway since 1938. The city officially became a metropolis on April 6, 2013.