Abstract
The questionnaire was given to a random sample of about 3100 people living along the Arakawa drain canal, the Edo River, and the coast of Tokyo Bay. The attitudes of residents living in each area are characterized by the obtained answers form the residents. Also, the research areas are classified by using a cluster analysis on the basis of the attitude of residents, and the characteristics of the classified areas are shown. Furthermore, the future problem of disaster prevention measure on flood hazards is pointed out.