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Based on the investigation of urban villages (Chengzhongcun) in Guangzhou city of China, the study is aimed to clarify both the main policies associated with the formation of urban villages and the spatial evolution process of urban villages. Conclusions can be given as follows:1. Due to the rapid development of economic and the system of compensated use of land carried out since 1988, the villages have been stimulated to increase urban land needs and accelerate the expropriation of land. The villages located in the suburban area have been dwindling and gradually brought into urban areas. Under the influence of industrial upgrading and immigration since 1990s, those villages brought the industrial transformation from the primary industry to the secondary and the tertiary industry, and a huge amount of housing construction for immigrants within themselves; 2. Meanwhile the territory of urban villages dwindled, their residential areas have expanded to become high-density in both population and buildings. On the other hand, based on the location and the influence of policies, urban villages still have their own spatial characteristics in their old residential area.

The study aims to clarify actual conditions of the Nagaya-mon gate focusing on utilization and its owner's intension to maintain, in order to obtain clue of preserving the gate. Utsunomiya city and Takanezawa town, Tochigi prefecture, were chosen for investigation because many Nagaya-mon Gates of rural type now exist in the area and these two local governments have both launched local landscape plan referred to the gate. Observation survey as well as hearing and questionnaires to the owner have been put into practice several times from 2008 to 2014.The conclusions can be summarized that in spite of the problems such as maintaining expenses, the owner's attachment and pride of the Nagaya-mon Gate is still observed, as they conceive that Nagaya-mon Gate is the symbol of their family's history. It can also be said that Nagaya-mon Gate would be maintained for the future, because facing damages by the Great East Japan Earthquake, majority of the injured gate were repaired

The paper aims to clarify layout conditions of the Nagaya-mon gate focusing on setting up premises of farmhouse. Utsunomiya city in Tochigi prefecture were chosen for investigation of map surveys on web browser and field studies. All gates in the city were categorized into several types from view-points of gate's attributes, such as orientation, common axis with main house, and connection with public road adjacent to the site. Typical patterns of premises' layout are found as follows: 1) both main houses and Nagaya-mon gates mostly face the south; 2) layout of the premises shows that main house and Nagaya-mon gate have common axis along each approach with parallel position; 3) Nagaya-mon gate mainly faces minor public roads or private roads. Considering the transition of the surroundings, original Nagaya-mon gate is assumed to have a private road on its own site.

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