Ouargla or Warqla (Arabic: ولاية ورقلة) is a province (wilaya) in eastern Algeria, with a population of 708 463 inhabitants in 2019.

In the past Ouargla was the center of trading of gold and slaves,[citation needed] as well as being an important center of Ibadi Islam.

[3] The region lies within the Algerian Triassic Sedimentary basin containing numerous oil and gas fields, including the Alrar gas field.

[4] Production is from Triassic sandstones with Andesitic seals and the Gothlandian shale as a source rock.

[5] Major fields include the Hassi R'Mel gas field, Haoud-Berkaolu, Ben-Kahla, and the Guellala.