Special events are considered among the most important tourism patterns that can bring substantial benefits, promote tourist destinations, achieve multiple developmental, economic, social, cultural and environmental benefits to tourism and hospitality sectors. The main purpose of this research is to assess the impact of special events on the promoting and development of the tourism and hospitality sectors in tourist destinations. Conference of the parties (Cop 27) was chosen to conduct the field study. The quantitative method was used, (185) valid questionnaires were a data collection tool, where it was distributed to the general managers, deputy directors, executive directors, head of departments and the employees in hotels. It was also distributed to tourism officials and the tourism companies; the structural validity of the questionnaire was assessed by confirmatory factor analyses (CFA). Results showed that there is a positive statistically significant correlation between organizing the special events, promoting tourism and developing the tourism and hospitality sector in the tourist destination. Finally, the study contributed to providing important conclusions and recommendations about the, economic, social, cultural and environmental effects of special events on developing tourism and hospitality sectors, as well as promoting Sharm El-Sheikh, as an international tourist destination, in particular and Egypt in general.