Cultural heritage sites; in addition, to cover natural, cultural, historical and archaeological characteristics of the site, it also covers ecological settlements where traditional building material and appropriate construction techniques are used in space and the buildings. Niğde historical city center, which dates back to prehistoric times; is an important settlement with its open-green areas, traditional houses and life culture, as well as important transcultural heritage areas. Within the scope of the research, besides sustainability of historical city center of Niğde as an ecological settlement, it is aimed to develop proposals both in planning and design seals by considering natural/cultural landscape features and protection plan which has been preserved for centuries in the design of traditional settlement areas. Physical environment conditions and socio-cultural structure of traditional settlement texture in Niğde Historical City Center were examined and the current situation of the research area was evaluated according to the European Union Sustainability Indicators. In addition, using problem analysis method, problems and opportunities of the area were identified in order to determine the effects of traditional settlement pattern on urban identity. In this respect, the current situation was evaluated and suggestions for the sustainability of the historical city center were developed. The aim of this research is to be a guide in implementations realized by the local government, planners, designers and local people and to contribute to transcultural heritage areas which have global importance as well as Niğde City.