Ardea is an ancient town and comune in the Metropolitan City of Rome, 35 kilometres south of Rome and about 4 kilometres from today's Mediterranean coast.
The economy is mostly based on agriculture, although, starting from the 1970s, industry has played an increasingly important role.
Wikipedia https://en.wikipedia.org/wiki/Ardea,_Lazio
Coordinates 41°36'31.363" N 12°31'9.775" E