Al Wahat or The Oases, occasionally spelt Al Wahad or Al Wahah is one of the districts of Libya. Its capital and largest city is Ajdabiya. The district is home to much of Libya's petroleum extraction economic activity.
Wikipedia https://en.wikipedia.org/wiki/Al_Wahat_District
Coordinates 30°45'18.013" N 20°13'23.973" E
