Najd

Also spelled �Nejd, � 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 an-Nafud, ad-Dahna', and the Rub' al-Khali. It is sparsely settled, except for the fertile oases strung along the escarpment of Jabal (mountains) Tuwayq and the al-'Aramah plateau. The arid