This article aims to propose an approach for preserving and improving urban heritage while maintaining environmental, social, cultural, and economic sustainability. Heritage conservation seeks to a distinct position. This is partly due to unresolved contradictions that might arise between conservation and sustainability goals. The conclusions are based on study done in Fouh, Egypt, after a study of the definitions and the pillars of sustainable development. The current state of Fouh was determined using a SWOT analysis. The results show the importance of providing an approach for the protection of heritage cities as a lively unit is the incorporation of protection and sustainability purposes, strategies, and tools to guarantee a “historic living city,“ able to develop and progress in a sustainable manner within time according to the principles of sustainable development and circles of sustainability.