The Sahara Desert is located in Africa. It is the largest hot desert in the world, covering vast areas of multiple countries, including Algeria, Chad, Egypt, Libya, Mali, Mauritania, Niger, Sudan, and Tunisia. The Sahara spans approximately 3.6 million square miles, characterized by its extreme temperatures and arid conditions. Despite its harsh environment, the desert is home to various ecosystems, flora, and fauna adapted to survive in such conditions. The Sahara has also played a significant role in trade and cultural exchanges throughout history.