This research entitled ”Green Open Space Evaluation of Urban Park and Green Line In Bantul Subdistrict. It aims to describe the condition of Green Open Space of Urban Park and to evaluate in accordance with its function as the support of ecological aesthetic, social and cultural qualities of Bantul Subdistrict typology. This research is conducted using survey method which is implemented by doing observation and interview. Instrument and equipment which are used in doing the survey includes questionnaires and camera The Green Open Space of Urban Park and Green Line in Bantul Subdistrict has small amount of vegetation, and the lack of maintenance. The evaluation result shows that plants in each research location are need to be rearranged . The rearrangement can be done by adding or replacing the plant with tree species, shrubs, bushes and soil cover so it will be appropriate with the green space function.