The ports based on their specialization and services are divided to different types, which are: free trade, transit, industrial, petroleum, travel, marine base, and commercial ports. Among these, nowadays in the world, "Free Trade Zones" play an important role in different countries' economical scenes and their economical, industrial and constructing developments. Reasons and objectives of establishment of the free zones in developing countries are generally seen as a resolution for releasing them of their administrative and legal regulations and complications. Also, Islamic Republic of Iran after the Iran-Iraq war (1988) has established several free trade-industrial zones, and the" Bandar-e Anzali Free Trade-Industrial Zone" is one of them. In this article, the definitions, approaches, objects, characteristics, roles, geographical situations, equipments, and facilities in a free trade- industrial zone have been studied realistically. Besides, presenting some economical and experimental indexes and criteria of successful free trade zones in the world, the common ground on which we can predict the possible success or failure of the "Bandar-e Anzali Free Trade-Industrial Zone" has been prepared.