Tiaret or Tahert is a major city in northwestern Algeria that gives its name to the wider farming region of Tiaret Province. Both the town and region lie south-west of the capital of Algiers in the western region of the Hautes Plaines, in the Tell Atlas, and about 150 km (93 mi) from the Mediterranean coast. It is served by Abdelhafid Boussouf Bou Chekif Airport.