Prior to the 14th Century, there were but 3 local cities of political importance, Dazaifu, Hiraizumi and Kamakura, in our country. In the end of Ashikaga Era, along with the increase of population and circulation of currecy, the commercial and industrial activities were stimulated, and the metropolitan civilization crept into the local life and the air of local city foundation is gradually fermented. The more direct motive was the change of the technigue of fortification of local land lords. The present paper deals with the foundation of local cities from historical point of view, condenced from the Doctor thesis prepared by the author.
