National Spatial Planning Day (Hari Tata Ruang Nasional) is observed in Indonesia every November 8, celebrating the significance of spatial planning in fostering a safe, comfortable, productive, and sustainable environment across the archipelago. Established in 2013, this day emphasizes the multidisciplinary nature of spatial planning, which integrates engineering and social sciences to address the arrangement and development of living, working, and environmental conditions. The Directorate General of Spatial Planning under the Ministry of Agrarian Affairs and Spatial Planning is responsible for formulating and implementing policies related to national and regional spatial planning. Activities on this day include highlighting the work of various institutions and organizations involved in spatial planning, which is crucial for balancing urban growth with nature conservation and ensuring equitable access to resources. The unique geographical and cultural context of Indonesia, along with challenges such as rapid urbanization and natural disaster risks, shapes its spatial planning practices.