Most foreigners who want to visit Korea just for a short-term tour or transit are permitted to enter Korea with no visa according to the principles of reciprocity or priority of national interest with a tourist/transit visa status (B-2, 30 days).
Invitation Letter for Visa Application
In case you need a visa to enter Korea, please send an email to firstname.lastname@example.org with the following information. An official invitation letter will be provided.
Information for Visa Application
(signed and ratified by 107 countries as of FEB 21, 2018)