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 indoor arena and a football ground respectively lying opposite one another, predominating. Mikrolimano and Bay of Zea, the smaller harbours of the city, attract large numbers of visitors with their picturesque vistas and vigorous nightlife, hosting fishing boats as well as yachts and cruise ships. Kaminia, by contrast, is a working-class neighbourhood which still preserves the traditional look of an earlier period. The Municipal Theater in downtown Piraeus was built in 1885 and remains an impressive neo-classical building. Located across from the Neo-Byzantine Piraeus Cathedral, it forms one of the most renowned landmarks of the city and a popular meeting