Holders of EU and North America's countries passport do not need visas to travel to Serbia. For detailed information please check following link of Ministry of Foreign Affairs
In case a visa is required you will receive instruction and appropriate documents through yours country IAESTE office. In that case it is very important to apply as soon as possible at nearest Embassy or Consulate of the Republic of Serbia.
Upon arrival in Serbia it is necessary to obtain Residence permit. Please make sure that you bring with you four passport size photographs and Insurance policy which should cover entire duration of your stay. We will help you to finish all related paperwork.