Tourism has become one of the most important sectors in the world economy, and the diversity of tourist forms and interests has enabled the development of numerous specialized forms of travel. One of these forms is religious tourism, which is based on visits to religious places that have spiritual and religious significance. Religious tourism attracts believers, pilgrims and the curious who want to explore and experience different aspects of faith, spirituality and cultural heritage. Religious places, such as churches, cathedrals, shrines and pilgrimage destinations, are often centers of spirituality, piety and cultural heritage. One of such important religious destinations in the Republic of Croatia is the Shrine of Our Lady of Bistrica. The Shrine of Our Lady of Bistrica has a rich history and great spiritual importance and attracts numerous pilgrims and visitors throughout the year. Throughout the centuries, believers have come to this shrine to pray, express their faith and seek a spiritual experience. As part of the final paper, the concept of religious tourism is defined, the largest and most important religious destinations in the world are presented, and religious tourism is presented on the example of the Sanctuary of Our Lady of Bistrica.