Wadi means valley in traditional arabic.
Wadi Rum means litterally the Valley of the Moon.
It is located at 60 km in the south of Jordan. Wadi Rum is known as the largest Wadi in Jordan.
The highest elevation in Jordan is in the historic Wadi Rum. It's Jabal Umm ad Dami at 1840 meters. It is located 30 kilometres south of a near village. If you do not have to many clouds, it's possible to see the Saudi border from the top.
Wadi Rum is the one most popular tourist sites in Jordan.
From a foreigner point of view, to travel to the Wadi Rum is an unique experience.