This research clarifies the characteristics of residential development in suburb area and aims to clarify the development condition in the outside of urban planning area. This investigation chooses one city which is in the Development Zones of the National Capital Region and analyzes 4 things: 1. the population movements, 2. the state of Infrastructure development in outside of urban planning
... [Show full abstract] area, 3. the characteristics of the locations which are increasing new houses, 4. the characteristics of the persons who chose to live in the outside of urban planning area. As a result, it became clear that the place, which has many infrastructures and public transportation and located near the urban planning area, has potential of urbanization even outside of urban planning area. And many people chose to live in the outside of urban planning area from inside of urban planning area because of the land price.