In this study, we focus on “Sumibiraki”, as a base for building diverse communities. The purpose of this study is to obtain basic findings on “Sumibiraki” cases. The survey method was a survey of the actual situation of PR activities and interviews with businesses. 1) The purpose and the way to interact with users and the community differ according to the architectural form of the case study. 2) It is considered necessary to select a space according to the philosophy and to plan and organize activities according to the space in the future live-work.
