Abstract
Tourism is the world's largest industry and one of the fastest growing sectors, accounting for over one-third of the value of total worldwide services trade. Tourism, in the last few decades, has become an indispensable source of income for developing countries. Tourism come in many shapes and forms such as social, cultural, economic and environmental and is recognized by specialists as a sector which support and sustain economic growth recording important increases in different parts of the world. It has proven effectiveness as it has significant effect on culture, environment and provide economic incentive both in developed regions and in developing or poor regions. This paper aim to examine the locals' people perceptions about economic, social and environmental impacts of tourism on the quality of life and cultural heritage of Siwa Oasis. A quantitative research method was adopted for this study. To achieve the research objectives, data has been collected through 236 questionnaires distributed among Siwa Oasis local citizens. Also secondary data has been used together with reviewing some literature in the field of tourism economics and tourism development. The results revealed that tourism development has positive impacts on Siwa Oasis citizens from the viewpoints of Siwa local people. However there are a quite number of citizens who failed to decide positive or negative scale for a number of tourism development measures. So tourism development policies in Siwa Oasis should concentrate on tourism projects that are fulfilling the requirements of sustainable tourism development. To maximize the benefits of tourism development in Siwa Oasis, it is essential to create local culture consciousness for the importance of concentrating on sustainability requirements in the future.