Medjez el-Bab (rear RTL مجازالباب) is a city of the north of the Tunisia. Its population rises with 20.308 inhabitants (2006).

Attached to the Governorship of Béja, it is located at 60 kilometers in the west of Tunis, on the course of the Medjerda, and constitutes a link of the axis connecting the capital to the North-West of Tunisia, in direction of the Algérie, while passing by the cities of the Kef or of Béja. The highway A3, a 67 kilometers length and inaugurated in 2005, connects it to the capital.

The city is known to have been, during a few days of November 1942, a base of fold for the British forces at the time of the Campagne of Tunisia. A military cemetery cash 2903 Tomb S of soldiers of the the Commonwealth (of which 385 not identified) is located at 3 kilometers in direction of Kef. The Mémorial also commemorates the memory of almost 2000 soldiers not having burials. They acts dead soldiers during the operations which have occurred between the November 8th 1942 and the May 13rd 1943. Specific memorials point out the memory of three soldiers, of which two were buried with the Cimetière of Borgel, from which the tombs disappeared today. The tombs of five dead soldiers during the First World War were in addition transferred there since from the cemeteries from Tunis and Carthage in 1950.