According to the Iran visa policy to enter Iran, citizens of different countries need to follow different procedures. Some can easily travel to Iran VISA FREE and stay for as long as 90 days while some need to obtain their visa before arriving in Iran. And some countries can just easily get their Iran visa upon arrival (Iran VOA) from ONE OF THE IRAN INTERNATIONAL AIRPORTS. To get your Iran visa, you need to have certain documents and pay the Iran visa fee for your nationality. Although Iran FREE TRADE ZONES can be visited without a visa.