Abstract
GIS has been applied in sales and marketing by the same way as using the printed maps. Most of GIS applications are aimed at supporting trade area analysis and territory assignment for a single store. Recently the mortorization and the highly advanced railroad expand the trip area of consumers and commuters. This situation makes GIS more useful for analyzing the large trade-area composed by stores seems.This paper outlines how GIS is applied in business and marketing and describe an attempt of applying GIS for the large trade-area analysis.