Athens–Piraeus Electric Railways 1869 as a steam train connecting Athens and its port, Piraeus, and was operated by Athens & Piraeus Railway Co ( or ). The project was considered important, so Queen Olga and the Prime Minister Thrasyvoulos Zaimis attended the inauguration ceremony. There were 8 trains in each direction daily and 9 trains in each direction on Sundays. In 1874 the Athens & Piraeus Railway Company was bought by the Bank of Industrial Credit (). Under the new ownership the railway procured additional rolling stock. Soon the line was extended to Omonoia Square with an underground section constructed with the cut-and-cover
Port of Thessaloniki Port of Thessaloniki The Port of Thessaloniki () is one of the largest Greek seaports and one of the largest ports in the Aegean Sea basin, with a total annual traffic capacity of 16 million tonnes (7 million tonnes dry bulk and 9 million tonnes liquid bulk). As a free port, it also functions as a major gateway for the Balkan hinterland and southeastern Europe. The Port of Thessaloniki also contains the second largest container port in Greece, after the Port of Piraeus. In 2007 the Port of Thessaloniki handled 14,373,245 tonnes of cargo and 222,824 TEU's, making it one