This final thesis explores the rich tradition of oral literary expressions in the context of Christmas and Easter time in the region of Zabiokovlje, with emphasis on specificities in Vrgorac. The analysis in this paper is based on an interdisciplinary approach, combining elements of ethnology and theology for a better understanding of deep cultural and religious values which shape these holiday seasons. The oral literary expressions are explored as a means of passing on the tradition, identity and values of the local community. What is researched is a wide range of folk tales, songs and ceremonies performed during Christmas and Easter, all of which are deeply rooted in local culture. Special attention is given to customs such as the blessing of houses, to folk songs and tales that convey the significance of these holidays for the community. Furthermore, the theological concepts of these two holidays are analyzed as well. Explored are also the symbolic and spiritual dimension of Christmas and Easter along with the ways in which those values are perceived and interpreted in the local context. Special emphasis is placed on the region of Vrgorac, where some minor research have been conducted to document various oral literary expressions and customs specific to that area. This research highlights the importance of oral literature as a key aspect of cultural heritage and the continuation of tradition in contemporary society. The need for further research and documentation of these oral narratives is also emphasized in order to preserve the wealth of cultural heritage in the region, thus contributing to the preservation and promotion of local heritage.