Urug Bani Ma'arid is located on the southwestern edge of the Empty Quarter, it has an area of 12,787 square kilometers. The protected area contains some important terrestrial formations, and natural habitats of wildlife, including high sand dunes and an intermittent limestone plateau.
The environmental condition of the protected area is generally good and its flora and fauna are representative of arid environments. Among the most common herbal plants are Haloxylon and from trees there are Acacia gerrardii, moringa, paganism, tamarisk, and calotropis procera. The most important animals in the protected aera include Arabian wolf, Sand cat, Sand fox, Striped hyena, Rock hyrax, and Cape hare. Among the birds are houbara bustards, pterocles, partridge, great grey shrike, Egyptian vulture, and several species of larks and many types of reptiles, including Dabb and monitor lizards.