Approximately 75% of the urban settlements in Romania are superimposed or are tangent to at least one natural protected area, these not being integrated from the point of view of their regulation in the urban strategies and in the urban planning regulations. From a spatial point of view, this type of relationship often represents a contrast between the urban fabric and the quasi-natural fabric. However, in the regulatory or strategy instruments for the development of urban settlements, where

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... h contrasts exist, they are only integrated at the border level. The ecotone is, in most cases, the only element mentioned in urban planning instruments and is approached as a land that can only function in isolation and that in no way can support urban development. This reluctance and fear of approaching natural protected areas, also negatively influences the conception of the community, investors and the administration. Urban actors are not informed and therefore not motivated, but neither do they have the opportunity to get involved in the conservation and protection process. The purpose of this article is to research urban and biodiversity strategies at E.U level, to identify gaps in the formulation of urban planning tools, what are the reasons behind generating these gaps and how they can be eliminated, or at least mitigated. The analysis will focus on some models of urban strategies which address natural protected areas, but will also consider related elements, directly related to their conservation, urban ecology and the involvement in the process of urban actors.