Geographically Iran consists of the following regions: Qazvin, Qom Province, , Mazandaran Province, Lorestan Province, Markazi Province, , , , Zanjan Province, Tehran Province, , Ostān-E Sīstān Va Balūchestān, Ostān-E Kordestān, Ostān-E Kohgīlūyeh Va Būyer Aḩmad, Ostān-E Eşfahān, Fars Province, , Ostān-E Chahār Maḩāll Va Bakhtīārī, Bushehr Province, Gilan Province, Golestan Province, Ostān-E Kermānshāh, Khuzestan Province, Kerman Province, Ilam Province, Hamadan Province, Ardabil Province.