Many countries have, or have had at some time, designated areas where companies are taxed very lightly or not at all to encourage development or for some other reason. These are known as free economic zones.

Sometimes they are called free ports, by an analogy with free ports known for a long time in history - the ports free of customs or with favorable customs regulations, e.g., the free port of Trieste. Very often free ports are parts of free economic zones.

Free economic zones by country

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United Kingdom

• London Docklands

United Arab Emirates

• Jebel Ali Free Zone
• Dubai Internet City
• Dubai Media City
• Dubai Knowledge Village
• Dubai Healthcare City
• Dubai International Financial Center
• DuBiotech
• Dubai Outsource Zone
• International Media and Production Zone
• Dubai Studio City

Russia

• Nakhodka
• Ingushetia

Belarus

• Brest FEZ

Ukraine

• Quarantine Pier of Odessa trade sea port, January 1st, 2000, for 25 years

South Korea

• Incheon

China

Hong Kong

Brazil

• Zona Franca de Manaus

Chile

• Iquique

E.U.

Ibiza

Iran

Kish

United States

Hawaii Puerto Rico