Underwater archaeologist Franck Goddio said the city was found after a three-year expedition.
He told the paper: “The discoveries enhance the importance of the specific location of the city standing at the ‘Mouth of the Sea of the Greek’.”
He added: “We will probably have to continue working for the next 200 years for Thonis-Heracleion to be fully revealed and understood.”
As the Daily Telegraph notes, the city was the main customs transport hub into ancient Egypt.

The location of where the city sank in Abu Qir Bay Google