The Greater Tumen Initiative is an intergovernmental cooperation mechanism in Northeast Asia, supported by the United Nations Development Program, with a membership of five countries: People’s Republic of China, Democratic People’s Republic of Korea, Republic of Korea, Mongolia and Russian Federation. This guide is an overview to the Tumen region, an area possesses enormous potential for investment and job opportunities with its skilled, educated and low-cost labor pool. The Tumen River ties this region together at the crossroads of vital trade, transport and energy routes. Rich in gas, oil and minerals, the Greater Tumen Region has easy access to affluent markets in the five GTI member countries and Japan, representing over 500 million consumers. The huge economic potential of the Tumen River region can only be fully harnessed through dynamic cooperation among its neighbors and sharing of resources.