Any foreign visitors wishing to enter the Republic of Korea must have a valid passport and obtain a Korean visa before the visitation. However, people of 90 countries who wish to visit Korea temporarily are permitted to enter without a visa according to visa-exemption agreements or in accordance with principles reciprocity or national interest.

Example of Entry Visa to Korea

Countries under Visa Waiver Agreement

You can check countries under a Visa Waiver Agreement with the Republic of Korea. Depending on nationality and passport type, citizens from these countries can visit Korea with the purpose of tourism without visa for 30 to 90 days. Click

For accurate visa information, Please visit to 'Hi Korea' website or ask to Korean Embassy.

If you need a letter of invitation for participating in the QOS2021, please email to QOS2021 secretariat at

Your invitation letter request must include the following details;

  • Participant's Full Name
  • Nationality
  • Name of the Affiliation
  • Presentation Title