Piraeus of social problems also emerged with the concentration of new populations in the suburbs of the old city, such as Nikaia, Keratsini, Drapetsona and Korydallos. The involvement of Greece in World War II came as a major setback to the city's progress. After the war, the city began its development once more, as damage to the port and the city were repaired and new additions took shape after 1955. Piraeus is now the third largest municipality in Greece; the city proper with its suburbs form the Piraeus urban area, which is incorporated in the Athens urban area, thus making Piraeus
Bay Port Historic Commercial Fishing District location on a man-made peninsula. In 1895, other local investors established the Bay Port Fish Company nearby. Both companies quickly grew, shipping lake herring, walleye, and whitefish via ice-filled rail cars to customers throughout the eastern United States. By the 1920s and 1930s, Bay Port was known as the largest freshwater fishing port in the world, with over 30 fishing boats working from the port. Operations in what is now the historic district included ports for the boats, and also processing of the catch, repairs, and advertising and promotional offices. However, in 1945, a fire destroyed most of both Gillingham's