Abstract
In intensified competition in retail industry it becomes important problem how to choose the optimal shop location from candidate points.In the other hand, it becomes possible for most of company to acquire enough data to analyze because of recent remarkable increasing of number of members.Then to find the optimal shop location, we defined the method of presuming marketing area by using data of members who had come to the shop. Moreover, the model to estimate sales amount is developed based on the geo statistical information in the marketing area. Finally we suggest the image of use with showing proto type area marketing support system.