Jeju island of Korea
General Information about Jeju Island: http://www.ijto.or.kr/english/
Multimedia Gallery of Jeju Island: http://gallery.ijto.or.kr/english/
Visa information
Korea is a very safe country for tourists and a very good place for convention and conference.
Regarding with this, Korea has made visa waiver agreements with about 180 countries.
And also tourists who are not in visa-waived-countries, but directly enter into Jeju island, can stay 30 days without visa.
For further information, visit the following website: http://goo.gl/55vst9