The results of this study area the risk of flooding is very high in the area Chanthaburi provinces is 5.83 percent of the whole area in khlung district, areas of high flood risk in the Chanthaburi province is 12.44 percent of the whole area in Kaeng hang maeo district. Also moderate risk flood in the Chanthaburi province is 6.46 percent of the whole area in Kaeng hang maeo district. and area of low-risk flood in Chanthaburi provinces is 0.00 percent of the whole areas in the district soi dao. Expressed in the form of a map. Which can be used as a database, with the planning and implementation of prevention guidelines.