Piraeus in the lavish northern suburbs of Athens, many shipowners have opted once again to move their bases away from Piraeus to Northern Athens. Piraeus, nevertheless, is still a major centre for Greek and international shipping, and bi-annually acts as the focus for a major shipping convention, known as Posidonia, which attracts maritime industry professionals from all over the world. Piraeus today is one of the largest ports in Europe, and the annual number of 19 million passengers makes it the third largest worldwide in terms of passenger transportation. Piraeus is currently Greece's third-busiest port in terms of tons of goods
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