The purpose of this study is to clarify the relation between spatial configuration and ceremonies in Heian-kyu Palace.
This study presents the following points.
1. The Dobisashi is an unique space that only used in Heian-kyu Palace, playing a role in the square with the gate and gallery in the Ugi (the ceremony in rainy day).
2. According to the ceremonial documents about Heian-kyu Palace, the usage of the Dobisashi in the Ugi has been developed during the mid - to -late Heian Period.
3. During the relation between the Dobisashi and Ugi, it's clarified that the Dobisashi in Heian-kyu palace a special space for Ugi.
