This study aims to interpret the characteristics of the townscape of the market area in the Hongju Eupseong walled town based on the formation and transformation of modern urban tissue. Based on an analysis of the town plan using a cadastral map, land register, building management register, and aerial images, the change process of the urban tissue and townscape in the market area is divided into three phases: the expansion phase of the market’s function from the 1910s to 1940s, which featured an open market-based townscape; the declining phase of the market’s function from the 1940s to 1960s, which featured a route-shop-based townscape; and the expiration phase of the market’s function after the 1960s. More specifically, with the opening of roads, the functions of the open market gradually diminished from the 1940s on, and after the war, especially during the rapid urbanization of the 1960s, the market area changed into a roadside shop and inner residential area, and the foundation of the current townscape was fixed. Above all, it is noteworthy that since the 1960s, the urban tissue and townscape have formed on the foundation of the former open market based on Japanese capital.

Seoul has been watched at its symbolic image which is the capital of one nation. since then Joseon was established. So, most of study about Seoul placed too much emphasis on like next; urban organization, palace, government office and public establishment. On the other hand, it is lacking in study of the individual building, the residential district, the change of building-lot. This study is to make up a deficiency from study of Gaokdohyung(家屋圖形site and floor plan). Gaokdohyung(家屋圖形) is drawings of building lots & houses existed in Hanseongbu漢城府(modem Seoul). It is possessed in Jangseogak and all 24 sheets. It is merely 24sheets but has many urban information in that. Housing of number 116 expressed in Gaokdohyung are consist on the house of Sadaebu士天王(noble class) Joongin中人(middle class) Sangmin常民(commoner), Villa(Byeolseo別墅) and connecting stores etc. Houses in Gaokdohyung has characteristic that most building lot is very specious and owners are variety of social position. The study of Gaokdohyung will progress through analyzing diachronic change of individual building lot & house. In the event, results of this study will help to find out change of urban tissue & architecture. So, i intend to seek for entity of urban tissue and urban house in Joseon Period differ from now, and to study out those have been changed continuously forward now.