Tehran, the country’s capital and largest city, serves as the main administrative, commercial, educational, financial, industrial, and publishing center. Iran’s other major cities include Mashhad, a manufacturing and commercial center in the northeast and the site of the country’s most important religious shrine; Esfahan, a manufacturing center for central Iran with several architecturally significant public buildings from the 17th and 18th centuries; Tabriz, the main industrial and commercial center of the northwest; Shiraz, a manufacturing center in the south near the ruins of the ancient Persian capital of Persepolis; and Ahvaz, the principal commercial and manufacturing center in the southwestern oil region.

Iranian people including Lur , Turk , Baluch , Gilac , Arabs and Fars are living friendly together while they have some different in culture and dialect . You can see the photo of them in below :

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