Athens–Piraeus Electric Railways Athens–Piraeus Electric Railways I.S.A.P. or Athens–Piraeus Electric Railways (, "Ilektrikoi Sidirodromoi Athinon-Pireos") was the oldest urban rapid transit system of Athens metropolitan area in Greece. Opened as a suburban railway line connecting Athens with the nearby major port city of Piraeus, it was gradually converted to full rapid transit operations, making it one of the oldest metro lines in the world. The current line evolved from the older "Athens & Piraeus Railway" and "Lavrion Square-Strofyli railway". In June 2011 ISAP was absorbed by a new transport company, STASY S.A. The line from Piraeus to Thision was inaugurated on February 27,
Port of Piraeus for top 100 container ports in 2015 Piraeus ranked 8th in Europe and 3rd the Mediterranean sea. The port of Piraeus is expected to become the busiest port of the Mediterranean in terms of container traffic by 2019. Until the 3rd millennium BC, Piraeus was a rocky island connected to the mainland by a low-lying stretch of land that was flooded with sea water most of the year. It was then that the area was increasingly silted and flooding ceased, thus permanently connecting Piraeus to Attica and forming its ports, the main port of Cantharus and the two smaller of