sometimes eastern Semnan Province Quhistan - southern Khorasan; Persian Gulf Iran (Persian Gulf region of Iran, Southern Iran) - Fars, Kohgiluyeh and Buyer Ahmad, Hormozgan and Bushehr provinces; Southeastern Iran (Carmania) - mostly Kerman Province, but often extending to the coast; Western Iran (Khuzestan, Elam) - the 'birthplace of Iran', similar to Region 4 (Hamadan Province, Ilam Province, Kermanshah Province, Khuzestan Province, Lorestan Province, Markazi Province), but often including all of or some of Qazvin Province, Kurdistan Province, Chaharmahal and Bakhtiari Province and Kohgiluyeh and Boyer-Ahmad Province; See also References Further reading Subdivisions of Iran Iran, Regions Iran 1 Iran geography-related lists