The city of Piraeus

Piraeus is a port city within the Athens-Piraeus urban area, in the Attica region of Greece. It is located eight kilometers (5 mi) southwest of Athens along the east coast of the Saronic Gulf in the Attica. Piraeus has a long-recorded history, dating back to ancient Greece. The city was founded in the early 5th century BC, when plans to make it the new port of Athens were implemented. A port-city with a fascinating ancient history, vibrant, with sights worth seeing. A city that grew and gained power, becoming an important commercial, cultural and industrial center throughout the centuries.  The port of Piraeus is the chief port in Greece, the 5th largest passenger port in Europe and the 24th largest passenger port in the world serving about 4.37 million passengers annually in 2020.

https://www.thisisathens.org/neighbourhoods/piraeus-guide

https://www.visitgreece.gr/mainland/attica/piraeus/

https://www.piraeus.org/

How to get from Athens Airport to Athens City Centre

 https://www.welcomepickups.com/athens/airport-to-city/

How to get from Athens Airport to Piraeus

https://www.welcomepickups.com/athens/airport-to-piraeus/

How to get from Athens to Piraeus

https://www.rome2rio.com/s/Athens/Piraeus?