The traditional cultural heritage has been studied in its all-around importance with a specific focus on the important role of building, understanding and preservation of identity in general and for the Croatian inhabitants in Bosnia and Herzegovina as well. Furthermore, the idea of tradition as an active, purposeful and positive force in the complex cultural environment of Bosnia and Herzegovina, where its role as a passive history register is propelled into the future of this country, is observed. Thus, in this work, the identity of Croatians in Bosnia and Herzegovina, as united with the Republic of Croatia, and imbodied in Bosnia and Herzegovina itself, is understood exactly through their millenia-long tradition and especially represented through the church-folk heritage, which implies every year traditions exercised and repeated on certain holidays and memorial days. As a matter of fact, among Croatian folk in Bosnia and Herzegovina, the connection between the folk and the church is especially significant, and by that itself, the church and folk traditions are intertwined, which together create the CroatianCatholic identity. Customs, rites and rituals are looked at through their apotropaic, panspermic, social, esthetic and other functions, but also specifically through the experience of persons who have lived and live those traditions to this day. For that reason, the original statements of the storytellers collected on the field between 2016 and 2022 are used, all to fully grasp and understand the traditional cultural heritage of Croatians as the identity frame in Bosnia and Herzegovina.