Administrative divisions:
 | 31 provinces (ostanha, singular - ostan); Alborz, Ardabil, Azarbayjan-e Gharbi (West Azerbaijan), Azarbayjan-e Sharqi (East Azerbaijan), Bushehr, Chahar Mahal va Bakhtiari, Esfahan, Fars, Gilan, Golestan, Hamadan, Hormozgan, Ilam, Kerman, Kermanshah, Khorasan-e Jonubi (South Khorasan), Khorasan-e Razavi (Razavi Khorasan), Khorasan-e Shomali (North Khorasan), Khuzestan, Kohgiluyeh va Bowyer Ahmad, Kordestan, Lorestan, Markazi, Mazandaran, Qazvin, Qom, Semnan, Sistan va Baluchestan, Tehran, Yazd, Zanjan |