Empty Quarter

The Rub' al Khali (; Arabic: ٱلرُّبْع ٱلْخَالِي, lit. 'Empty Quarter', [ar.rʊbʕ‿al.χaːliː]) is a desert encompassing most of the southern third of the Arabian Peninsula. The desert covers some 650,000 km2 (250,000 sq mi) (the area of long. 44.5°−56.5°E, and lat. 16.5°−23.0°N), including parts of Saudi Arabia, Oman, the United Arab Emirates, and Yemen. It is part of the larger Arabian Desert.