The wilaya of Ouled Djellal is an Algerian province created in 2019, previously, a delegated wilaya created in 2015.

The wilaya of Ouled Djellal is located in the Algerian Sahara, its area 131,220 km² .

It is delimited by: The wilaya of Ouled Djellal was created on November 26, 2019 .

Previously, it was a delegated wilaya, created according to the law n° 15–140 of May 27, 2015, creating administrative districts in certain wilayas and fixing the specific rules related to them, as well as the list of municipalities that are attached to it.

During the administrative breakdown of 2015, the delegated wilaya of Ouled Djellal is made up of 3 communes and 2 Districts