This paper aims to study cultural heritage management and sustainable tourism in historic cities and display the Experiment of the historical Aswan city in Egypt to rehabilitate and develop Durrat Al Nil Park, the Station Square, and the Old Tourist Market. This is presented through a theoretical study of the cultural heritage management's concept and its stages in integration with the principles of sustainable tourism, commercial, historical markets, and streets. As these sites are one of the most valuable sites in city centers, to reach a successful relationship between human and his needs, whether as a tourist or a resident in the city; and a sustainable visual image of the historical cities. As a result, similar criteria between cultural heritage management and sustainable tourism will be easily set to develop the historical cities' downtowns. These criteria help to prepare a field study to develop Durrat Al Nil Park, the Station Square, and the Old Tourist Market within 2020-2021, as Aswan city was chosen with another 30 cities all over the world to win Guangzhou International Innovation Award for civilized innovation. Also it will help to analyze before and after the development. This paper is carried out within these criteria and principles of cultural heritage management, to see if they are matching to reach an approach that helps to reserve the sustainable visual image of the city and the authenticity of its heritage within the framework of cultural heritage management concepts and sustainable tourism.