Eastern Roman state, centered in Constantinople, lasting from late antiquity to 1453
Archaeologists have uncovered a Byzantine-era city at the Dakhla Oasis and 18 tombs at Marina el-Alamein, underscoring Egypt's push to revive tourism with antiquities discoveries. The sites reveal urban layouts, coins, ostraca and funerary treasures dating to the fourth century, while authorities say tourist numbers are recovering after years of turmoil.