The potteries were produced in various sites of southern Sakhalin region and the northern and eastern Hokkaido. These sites belonged to the Jomon culture, the Epi-jomon culture and the Susuya period of Okhotsk colture. The potteries were made by mixing sands in clay and the chemical composition of mixed sands contain geological information of the region where potteries were made. The chemical analysis of soil of potteries can estimate the product sites location. This technique can help clarify the product sites of each potteries and the route of delivery of the potteries.