The purpose of this paper is to describe the area that continues keeping historic environment of
Miyajima Town,Hatsukaichi-City,Hiroshima. On the basis of an alley and the field survey of the Jizo
Bon festival,we emphasize the nothion of the space use in the outside space. On historic environment,
we are concerned with analysis of the role that a festival plays in the community formation. The
cooperation systems which reduced a human scale and coexistence of the community, immanence of
the structure of many generations interchange, the existence of the meaning of having the place, a
burden of the joint management became clear.