The participants who need to apply for a visa should begin the visa application process as soon as possible.
Please check with the Turkish Consulate or Embassy for their requirements and time constraints.
Most of the travelers to Turkey require a visa. For some of them (please check your country), visas can be obtained at the port of entry in Turkey, otherwise from the Turkish Consulate General or Turkish Diplomatic Missions of their home countries. For the first category, sticker type visas are issued at the port of entry and allow staying in Turkey for up to 90 days.
It is advisable to have a minimum of six months validity on your passport from the date of your entry into Turkey.
For more information, please visit the consular information on the web site of Republic of Turkey, Ministry of Foreign Affairs
Visa Information, Form and Fee Information can also be found here.