The Sahara, which covers much of southern Morocco, is the largest hot desert on Earth, spanning roughly 9.2 million square kilometers across 11 countries in North Africa. It ranks behind only the polar deserts of Antarctica and the Arctic in overall size.
Record no. MRB-2026-005977
World's Largest Hot Desert
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.