Tunisia contains El Djem which is a place.
El Djem ( Tunisian Arabic : الجمّ ; Latin Thysdrus ) is a town in Mahdia Governorate , Tunisia , population 21,576 ( 2014 census ) . It is home to some of the most impressive Roman remains in Africa , like the world-famous `` Roman amphitheater of Thysdrus '' . Tunisia . 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 .