Jeju World Cup Stadium is a football stadium with a 35,657-person capacity located in the city of Seogwipo, on the South Korean island of Jeju, which is administratively part of the eponymous province. Since 2006, the stadium has been home of Jeju United. The design of the stadium which is in the shape of mouth of a volcano is based on Jeju Island's natural volcanic environment and its sea surroundings. Wikipedia