Provinces
Iran consists of 30 provinces (ostaan-haa, singular: ostan), each of which is headed by a governor general. Each province is further subdivided into counties called shahrestan, and each shahrestan is subdivided into districts called bakhsh.
Iran's provinces and their details are shown in the table below.
| Province | Capital | Population | Area(sq km) |
|---|---|---|---|
| Ardabil | Ardabil | 1,257,624 | 17,800 |
| Azarbaijan, East | Tabriz | 3,500,183 | 45,650 |
| Azarbaijan, West | Urmia | 2,949,426 | 37,437 |
| Bushehr | Bushehr | 816,115 | 22,743 |
| Chahar Mahaal and Bakhtiari | Shahrekord | 842,002 | 16,332 |
| Fars | Shiraz | 4,385,869 | 122,608 |
| Gilan | Rasht | 2,410,523 | 14,042 |
| Golestan | Gorgan | 1,637,063 | 20,195 |
| Hamadan | Hamadan | 1,738,772 | 19,368 |
| Hormozgan | Bandar Abbas | 1,314,667 | 70,669 |
| Ilam | Ilam | 545,093 | 20,133 |
| Isfahan | Isfahan | 4,454,595 | 107,029 |
| Kerman | Kerman | 2,432,927 | 180,836 |
| Kermanshah | Kermanshah | 1,938,060 | 24,998 |
| Khorasan, North | Bojnourd | 786,918 | 28,434 |
| Khorasan, Razavi | Mashhad | 5,202,770 | 144,681 |
| Khorasan, South | Birjand | 510,218 | 69,555 |
| Khuzestan | Ahvaz | 4,345,607 | 64,055 |
| Kohkiluyeh and Buyer Ahmad | Yasuj | 695,099 | 15,504 |
| Kurdistan | Sanandaj | 1,574,118 | 29,137 |
| Lorestan | Khorramabad | 1,758,628 | 28,294 |
| Markazi | Arak | 1,361,394 | 29,130 |
| Mazandaran | Sari | 2,818,831 | 23,701 |
| Qazvin | Qazvin | 1,166,861 | 15,549 |
| Qom | Qom | 1,064,456 | 11,526 |
| Semnan | Semnan | 589,512 | 97,491 |
| Sistan and Baluchistan | Zahedan | 2,290,076 | 181,785 |
| Tehran | Tehran | 12,150,742 | 18,814 |
| Yazd | Yazd | 958,318 | 129,285 |
| Zanjan | Zanjan | 970,946 | 21,773 |