Which is the oldest desert in the world?
The oldest desert in the world is Namib desert. It is situated in Namibia and southwest Angola that forms part of the Namib-Naukluft National Park, the largest game reserve in Africa. The Namib desert having endured arid or semi-arid conditions for at least 55 million years, it is considered to be the oldest desert in the world. Its area is 80,900 km2.