You can extend your visa for one month or so in major cities of Iran. Visa extensions are often done by the Police Department of Aliens Affairs, Passport Office and Tourist Police Office. The ease at which you can extend your visa varies depending on where you are. The easiest office to extend your visa is located in Shiraz, south of Iran. If you decide that you want to stay longer in Iran after you arrive please contact us for more information on how to extend your visa.