The purpose of this study is to clarify factors which contribute to the appearance of expectation about regional effects brought about by Web-GIS. As a result of analysis of user characteristic of the festival float location system using Web-GIS in traditional event Kumagaya-UCHIWA festival in Saitama, there were no significant associations between use of this system and the attributes of users except sex. From the result of the analysis for the relationship between factors, attribute such as age, action such as the willingness to put out the information on the Internet by Web-GIS, and regional effect such as the improvement of regional security, the expectation about regional effects brought about by Web-GIS receives a larger influence from the willingness to put out the information on the Internet by Web-GIS than frequent use of Web-GIS in the variables set as action, and the willingness to put out the information on the Internet by Web-GIS is influenced by age.
