Jendouba, known as Souk El Arba until 30 April 1966, is a city in northwestern Tunisia, and the capital of the Jendouba Governorate. It is an important crossroads with many road links to other towns such as El Kef, Tabarka, Ain Draham and Béja. The main economic activity is agriculture. It is close to the famous ancient Roman city of Bulla Regia, as well as the ancient marble quarry of Chemtou.