Gateway to Africa Gateway to Africa As the gateway to Africa, we enable access to the markets of the world’s second largest continent, which contains 30% of the globe’s mineral reserves, and 1 billion people. Ideal base to reach 14 Southern African Development Community (SADC) countries comprising over 250 million people. SA has free trade agreement with SADC countries. Joburg’s OR Tambo International Airport is the biggest and busiest freight and passenger hub in Africa. Over 20 major international airlines fly to OR Tambo International Airport. Joburg has 3 airports with links to Africa (OR Tambo International, Lanseria International and Grand Central Airport).