Explanation:
The Sahara Desert is the largest hot desert in the world, located in northern Africa. It stretches across approximately 9 million square kilometers, covering large parts of several countries, including Algeria, Chad, Egypt, Libya, Mali, Mauritania, Morocco, Niger, Western Sahara, Sudan, and Tunisia. The Sahara is characterized by its extreme temperature variations, which can range from one of the hottest places on Earth by day to freezing temperatures at night.