The project is focused on different approaches to mapping slum areas in sub- Saharan Africa and the benefits which are gained by local communities of slums, due to the outcome of these projects. The main goal of the following report is to find common aspects which ensure success and impacts local communities in positive way. The report’s analysis method is based on comparative studies with four cases of mapping projects. The discussion is based on sub- questions which answered will give an answer for main research question. General outcome of the report and findings are presented in closing chapter.