Port of Piraeus Zea and Munichia. In 493 BC, Themistocles initiated the fortifications of Piraeus and later advised the Athenians to take advantage of its natural harbours' strategic potential. In 483 BC, the Athenian fleet left the older harbour of Phaleron and it was transferred to Piraeus, distinguishing itself at the battle of Salamis between the Greek city-states and the Persians in 480 BC. In the following years Themistocles initiated the construction of the port and created the ship sheds ("neosoikoi"), while the Themistoclean Walls were completed in 471 BC, turning Piraeus into a great military and commercial harbour, which served as the
Piraeus also supplemented and modernised, with dredging operations, the construction of the Royal Landing, the Troumba Pier and the quay-ways up to the Customs House area, the commencement of construction work on the Outer Moles and the completion of permanent dry-docks. At the end of the 19th century, Piraeus had a population of 51,020 people. The establishment of the Port Committee in 1911, which controlled the works of construction and maintenance of the port, and the Piraeus Port Authority in 1930, which made a more efficient job of managing a port slowly increasing in traffic, played a catalytic role in the