This study focuses on the historical overview and factors of the political division of Tubaran and Marogong, two municipalities in Lanao del Sur, Philippines. It provides a detailed historical overview of the origins and development of Tubaran and Marogong, highlighting the significance of the Royal Houses of Tubaran and Boribid. The main objective of the research is to uncover the reasons behind the political division between Tubaran and Marogong, with specific attention given to Tubaran’s vast land area. The study explores how the large size of Tubaran posed administrative challenges, leading to the decision to establish two independent municipalities. The study also investigates the process of creating Tubaran and Marogong as separate entities, examining the events and factors that shaped their distinctive governance structures. It analyzes the considerations that influenced the establishment of these independent municipalities. Additionally, the research explores the effects of Tubaran and Marogong becoming independent municipalities, with a particular focus on the political and economic implications. It examines how the division influenced the political landscape, governance practices, and economic changes within each municipality, impacting the local population. To gather insights into the historical events and socio-political dynamics related to Tubaran’s political division, the study employs oral history as a valuable research methodology. By conducting interviews with individuals who possess firsthand knowledge, the research captures personal narratives and perspectives that complement existing historical records, enhancing the study’s depth and richness.