Tunisia contains El Djem.
The Romans , who would occupy Tunisia for most of the next eight hundred years , introduced Christianity and left architectural legacies like the El Djem amphitheater.
El Djem -LRB- Tunisian Arabic : الجمّ ; Latin Thysdrus -RRB- is a town in Mahdia Governorate , Tunisia , population 21,576 -LRB- 2014 census -RRB-.
It is home to some of the most impressive Roman remains in Africa , like the world-famous `` Roman amphitheater of Thysdrus ''.
