It is well known, that in German Cities integrated planning of green open spaces and buildings is developed by the collaboration of Flächennutzungsplan and Bebauungsplan based on Baugeseztbuch and Landschaftsplan and Grünordnungsplan. But concrete information and consideration about it is few in Japan. And recently distributed rain water infiltration management concept is actively introduced in urban areas, and integrated rain water management with green open spaces becomes common base of urban planning. In this paper the trend and concept of integrated management of green space and rain water management is considered though four concrete examples of redevelopment in Munich.