An Entire Ancient Egyptian City Was Sitting Under the Mediterranean

Ancient writers mentioned a city near the mouth of the Nile.

The Egyptians called it Thonis. The Greeks knew it as Heracleion. For a time, scholars were not even certain these names referred to the same place.

Then underwater archaeology made the argument considerably easier.

In 2000, a team led by underwater archaeologist Franck Goddio located the submerged city in Egypt's Aboukir Bay.

It was not a tiny settlement.

Before Alexandria rose to dominance, Thonis-Heracleion had been an important port controlling maritime access into Egypt from the Mediterranean. Ships arriving from the Greek world passed through this region of the Nile Delta. Goods moved. Taxes were collected. Religious ceremonies took place. Temples stood above streets now covered by water and sediment.

Archaeologists have recovered enormous statues, inscriptions, coins, jewellery, ritual objects and remains of ships from the submerged landscape.

The city did not disappear in one cinematic moment with everybody watching the sea swallow the marketplace.

The Nile Delta is geologically complicated.

Soft sediments, changes in water levels, earthquakes and processes in which waterlogged ground loses strength all contributed to sections of land becoming unstable. Over centuries, parts of the region subsided. Eventually Thonis-Heracleion vanished beneath the sea.

That slow disappearance may actually explain why so much survived. The water concealed what later development might have destroyed.

For centuries, descriptions of the city remained in ancient texts while the physical city itself sat offshore.

Then archaeologists effectively reopened it.

There is something unusually satisfying about a lost city that is genuinely lost.

No secret civilisation. No dimensional portal. No satellite image of Atlantis requiring twelve red circles and an enthusiastic YouTube narrator.

Just an important ancient port that disappeared from the landscape and was found again.

Reality occasionally understands the assignment.