**Acknowledgements**

Some of the material used in the text of this chapter is the result of a study entitled Web-Based Green City Management Information System (MIS) as a Model for Implementing Sustainable Urban GOS Control. This research funded (2018-2020) by the Directorate of Research and Community Service, Ministry of Research, Technology/National Research, and Innovation Agency (BRIN). It is grateful to all staff of Housing and Settlements Services of Malang, Malang City Government. They have provided data on Malang City's urban open space planning policy during this research.
