Strategy, privacy, protection management, sustainable development, privacy of Tehran metropolis, privacy of Tehran region 4 and privacy of developed metropolises

One of the most important current challenges of cities is the issue of privacy management and protection, so that the unregulated growth and formation of these urban backgrounds are confusing and the center of many problems, and significant heterogeneity and instability of privacy zones with urban areas are noticeable. Tehran Region Ⅳ municipal privacy has faced major challenges in the sustainable development system over the past decades. To achieve sustainable development. The present research in terms of the type of research (quantitative and qualitative) with reference to the study area (research environment) is a quantitative, survey and positivist type and also in terms of purpose, applied research, development and based on the nature and method The work is a comparative and analytical research and the technique of collecting information in the form of documentary (library) information. The results of this adaptation led to the output and findings of two main approaches in urban planning, a: "Green Belt", the main strategies of European countries, and b: "Scope of transboundary power", the main strategies of the United States of America, and finally citing the findings. Research proposals provide general and macro-level proposals in relation to the privacy of all cities, as well as specific and micro-proposals in relation to the privacy of the municipality of District Ⅳ of Tehran to address existing challenges and achieve sustainable development