Jeju City Jeju City Jeju ("Jeju-si"; ) is the capital of Jeju Province in South Korea and the largest city on Jeju Island. The city is served by Jeju International Airport (IATA code CJU). Located on an island off the Korean Peninsula, Jeju has mild, warm weather during much of the year. The city is a well-known resort, with prestigious hotels and public casino facilities. In 2011, 9.9 million passengers flew between the two cities of Seoul and Jeju, making the Gimpo–Jeju route the world's busiest passenger air route. Jeju welcomes over ten million visitors from mainland Korea, Japan, and China every
Quad City International Airport Foreign Trade Zone and U.S. Customs Office are located at the airport, enabling international inbound and outbound shipments. There are no commercial passenger flights to or from any international locations, but some private aircraft (e.g., those owned by Deere & Company) do make non-stop, international flights. Franing Field, the site of the present Quad City International Airport, was picked as an ideal flying field, with of level, grassy land free of obstacles. The airport made headlines right at the start, chosen as a control point for the first coast-to-coast flight in the fall of 1919. On August 18, 1927 an