Religious tourism, also commonly referred to as faith tourism, is a type of tourism, where people travel individually or in groups for pilgrimage, missionary, or leisure (fellowship) purposes.
Modern religious tourists are more able to visit holy cities and holy sites around the world. The most famous holy sites are the Great Mosque of Mecca, the Holy Shrine of Imam Hoseyn in Karbala, the Holy Shrine of Imam Reza in Mashhad, the Holy Shrine of Lady Fatima Masuma in Qom, the Sanctuary of Our Lady of Fátima in Cova da Iria, the Basilica of Our Lady of Guadalupe in Mexico City, the Church of the Nativityin Bethlehem, the Western Wall in Jerusalem and the St. Peter's Basilica in Rome. Religious tourism has existed since antiquity. In this way, , one of the panels in "8th International Conference on Sustainable Development& Urban Construction and Regeneration" is allocated to the topic of Religious Tourism which will be discussed by Iranian and International keynote speakers.