The emergence of religious extremism and its effects on people and society are explored in Khadra's The Sirens of Baghdad, especially in light of the Arab world. This study examines the fundamentalist motif found in Yasmina Khadra's The Sirens of Baghdad. The story's protagonist's journey illuminates the complicated philosophies, goals, and repercussions of fundamentalist groups. This research investigates the manner in which Khadra depicts the captivating nature of fundamentalism, the elements that contribute to its attractiveness, and the mechanisms via which it may influence and exploit people. Furthermore, this analysis delves into the novel's exploration of the socio-political and cultural circumstances that contribute to the emergence of fundamentalism. Additionally, it scrutinizes the novel's exploration of the tensions and conflicts that arise between traditional values and the forces of modernity. By examining the fundamentalist theme in The Sirens of Baghdad, this research adds to current understanding of the intricacies of religious fanaticism and how it affects both people and society.