The Sahara Desert is situated on the continent of Africa. It is the largest hot desert in the world, spanning approximately 9.2 million square kilometers (3.6 million square miles). The Sahara features diverse landscapes, including sand dunes, mountains, and rocky plateaus. Its climate is characterized by extremely low rainfall and high temperatures. The desert is home to various nomadic tribes, unique wildlife, and significant historical sites, playing an important role in Africa's cultural and ecological diversity.