Plains are large areas of flat or gently rolling land. They are typically found in the interior of continents and along the coastlines. On the map, the following plains are represented:

1. The Great Plains: Located in the central part of North America, stretching from the Rocky Mountains to the Mississippi River.

2. The Amazon Plain: Located in South America, covers a large portion of the Amazon River basin.

3. The Siberian Plain: Located in northern Asia, stretching from the Ural Mountains to the Pacific Ocean.

4. The North German Plain: Located in northern Europe, covers much of Germany, Poland, and the Netherlands.

5. The Pampas: Located in the eastern region of South America, covering parts of Argentina, Uruguay, and southern Brazil.

These plains are vital agricultural regions and support diverse ecosystems, including grasslands, forests, and wetlands.