Abstract
This study attempted to estimate the propriety of Gaesung , where located in North Korea , resort complex development through South and North Korea economic cooperation. The contents of this research are to study the necessity of resort complex development of Gaesung and to estimate the physical and social conditions of Gaesung for resort development. T here were used literature study, data analysis of map and satellite picture, and survey of public opinion in order to examine propriety of Gaesung resort complex development. The result of research is that the physical conditions of Gaesung are superior, while the social conditions are inferior. It will be expected that the cost tourism development is so expensive because of poor tourism infrastructure. Therefore the resort complex development of Gaesung of North Korea must be incubated by South Korean public institution not private sector.  

Key words: resort complex development, Propriety, South and North Korea , economic cooperation, physical conditions, social conditions.