(sah HAH rah) the world's largest desert, located in northern Africa from the Arabic name Al-Sahra meaning “the desert” covers a landmass larger than the United States. Thousands of years ago it was a fertile and inhabitable region until drought forced migration
a vast area in northern Africa over 3 million square miles that extends from the Atlantic Ocean to the Nile river valley in the east and from the Atlas mountains in the north to the Sudan region in the south.
The Sahara is the world's largest hot desert, and second largest desert after Antarctica. At over 9,000,000 kmÂ² (3,500,000 sq mi), it is almost as large as the United States. The Sahara is located in North Africa and may be as much as 2.5 million years old.