In the selected genres of children's literature related to the area of Sinj and the Cetina region, the thesis interprets poetic features through the prism of regionalism: from themes, motifs, and characters, to the author's criteria and the way in which the speech of Sinj and the Cetina region contributes to the poetics of the corresponding literary corpus. The introductory part of the thesis geographically situates Sinj and the Cetina region, followed by chapters related to the historical and linguistic characteristics of the respective area. The central part of the thesis provides an overview and interpretation of selected prose literary works of children's literature, some of which transcend the children's literature system, and in which the space of Sinj and the Cetina region is thematized or their authors originate from the mentioned area. Picture books, fairy tales, legends, myths, and other stories of various poetics are covered by literary-theoretical interpretation. The language, literary space, characters, tradition, and culture of Sinj and the Cetina region embedded in the prose genres of children's literature are analyzed. The majority of the selected literary texts are realized in the regional dialect, while a smaller portion is written in the standard language.