Green Open Space is an important element in shaping a city that has a function as a supporter of ecological, social, cultural, economic and aesthetic benefits in urban areas. The city park is one of the public spaces that is currently a concern in urban development in Kotabaru Regency with the rearrangement and addition of various visitor facilities given its complex function. However, the function of the park has begun to undergo many changes at this time so that it affects the physical quality of the park itself. This research aims to identify and analyze the physical elements of facilities and infrastructure in Saijaan Park whether it has fulfilled its function as a city park. This research uses a qualitative descriptive method with direct observation, literature studies, and questionnaires to visitors. From the results of the study it was found that the existence of physical elements of Saijaan Park Kotabaru Regency as a whole has a fairly good condition, but still needs improvement and optimization of maintenance on several available facilities. Then, the function and utilization of Saijaan Park by the community is currently quite in accordance with its designation.