A high flat area of land is called a plateau. Plateaus are elevated landforms that rise sharply above the surrounding area on at least one side. They are often found in mountainous regions and can be formed by various geological processes, including volcanic activity, erosion, and tectonic uplift.
Plateaus are characterized by their relatively flat terrain, which makes them distinct from mountains. They can vary in size from small, localized areas to vast expanses that cover thousands of square kilometers. Some well-known examples of plateaus include the Colorado Plateau in the United States and the Deccan Plateau in India.
In addition to their geological significance, plateaus often have unique ecosystems and can be important for agriculture, mining, and human settlement due to their flat and elevated nature.