Najd | Saudi Arabia, Map, History, & Facts | Britannica
Najd, region, central Saudi Arabia, comprising a mainly rocky plateau sloping eastward from the mountains of the Hejaz. On the northern, eastern, and southern sides, it is bounded by the sand deserts of Al-Nafūd, Al-Dahnāʾ, and the Rubʿ al-Khali. It is sparsely settled, except for the fertile oases
