An area which is usually a port and its suburb which products can be imported duty-free or subject to a low-cost tariff.

A place near a port or airport to which particular products from foreign countries could import without tax payment.

Free trade zone contains an entire port area, for example, Hong Kong, Isla Margarita, Panama, and Singapore, where an imported product may be stored pending duty-free, re-export or even duty-paid entrance into the importing country.