Arak, Iran Arak, Iran Arak (, "Arâk"; ), is the capital of Markazi Province, Iran. At the 2011 census, its population was 526,182, in 160,761 families. this city nicknamed as Industrial Capital of Iran. A major industrial city, Arak hosts several industrial factories inside and within a few kilometers outside the city, including the factory of Machine Sazi Arak and the Iranian Aluminium Company. These factories produce nearly half of the needs of the country in steel, petrochemical, and locomotive industries. As an industrial city in a developing country, Arak is subject to the issue of air pollution. The term "Arâk" remains
Provinces of Iran Provinces of Iran Iran is subdivided into thirty-one provinces ( "Ostān", plural "Ostānhā"), each governed from a local center, usually the largest local city, which is called the capital (Persian: , "markaz") of that province. The provincial authority is headed by a Governor-General (Persian: "Ostāndār"), who is appointed by the Minister of the Interior subject to approval of the cabinet. Iran has held its modern territory since the Treaty of Paris in 1857. From 1906 until 1950, Iran was divided into twelve provinces: Ardalan, Azerbaijan, Baluchestan, Fars, Gilan, Araq-e Ajam, Khorasan, Khuzestan, Kerman, Larestan, Lorestan, and Mazandaran. In 1950, Iran