Sustainable urban planning depends on making a balance between the environment, the economy and the social needs. So it can afford the functionality and the good quality of life for the residence or the users of the planning zones, as these zones could be new or need to be rehabilitated or developed under the scope of sustainability. The priority of these planning is to fulfill the needs of the society and his objectives within the environmental systems and the economic aspects. The liability

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... sue concerns the absence of the aspects of managing the landscape realm in a successful manner under the scope of the economic sustainability .The objective is to reach the latest sustainable landscape realm that can be used in any site without making any deterioration; otherwise its usage can affect the efficiency of the site. The methodologies used in the research: 1st Using the literature review to introduce the main definitions, and the concerned criterions of the economic sustainability to manage the landscape realm of the sites. 2nd the analytical methodology is used to analyze the sustainable landscape realm and compare it with the other aspects of sustainability to reach the efficiency could be achieved within using every realm.