The physical feature that covers most of Arabia is the Empty Quarter, also known as the Rub' al Khali. To find this answer, you can refer to a map or do a quick search online. The Empty Quarter is a vast desert spanning over four countries in the Arabian Peninsula, including Saudi Arabia, Yemen, Oman, and the United Arab Emirates. It is the largest continuous sand desert in the world, covering an area of about 650,000 square kilometers (250,000 square miles) and dominates most of the southern and southeastern portions of the Arabian Peninsula.
