Citizens of the European Union member states, the USA, CIS states, and Iran do not need entry visas. Citizens of other countries are advised to contact the nearest Armenian Consulate or Embassy to inquire about visa regulations for your country.
You should make your visa application well in advance. If needed, the Organizing Committee will be happy to send official letters of invitation to all participants.
The Armenian Ministry of Foreign Affairs invites you to apply for a visa online at http://evisa.mfa.am.
It is also possible to arrive in Yerevan without a visa and buy one at the airport. Note: This option is not available for all countries; please contact the Organizing Committee for applicability.