This article gives an overview of energy and water potential of the Southeastern Anatolia Project (GAP) in Turkey. This integrated socioeconomic development project is one of the largest of its kind in the world. The GAP region is rich in water and soil resources. The Euphrates and Tigris Rivers represent over 28% of the nation＇s water supply by rivers, and the economically irrigatable areas in the region make up 20% of those for the entire country. On the other hand, the GAP region is the richest region of the country in terms of its hydroelectric potential as well as its oil and asphalt reserves. The GAP region has a 22% share of the country＇s total hydroelectric potential, with plans for 22 dams and 19 hydropower plants. Once completed 27 billion kWh of electricity will be generated. In addition to this hydropower and oil potential, the GAP region is also the richest region of Turkey as far as solar energy production is concerned In meeting the energy requirements of the developing regions worldwide and in Turkey, solar energy is being taken into account as an important renewable source of energy.