Location
North of the Kingdom of Saudi Arabia

Area
20,450 km²

Terrain
Sandstone, mountains, hills, plateaus, and gravel and sandy environments

Plants
Shrub and herbaceous species as well as trees, such as Acacia gerrardii, Haloxylon, Haloxylon ammodendron, Traganum and Opophytum.

Animals
Reem gazelle and migratory birds