El-Jem is a locality of the East of Tunisia, 63 km from Sousse, she's famous for its vestiges of the former Roman city of Thysdrus. El-Jem received a great Roman inheritance. The ancient Thysdrus owes its wealth to the development of the cereal cultivation, North Africa becomes after the puniques wars, the name of wheat attic of Rome.

Its immense amphitheatre, built in the year 230, is the biggest Roman building of Africa (it could welcome between thirty and forty thousand spectators) and one of the biggest Roman amphitheatres, the third after those of Rome and Capoue. This one is very well-preserved, in spite of the deteriorations that it underwent during the centuries. The amphitheatre was registered on the list of the world culture heritage of the Unesco in 1979.