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
Piraeus currently uses as home ground the Municipal Stadium Nikaia. Ionikos of Nikaia had a longstanding presence in Super League Greece and its home ground is the Municipal Stadium Neapoli. In basketball, Olympiacos B.C. is the only major club from Piraeus, one of the most successful at domestic and European level, and its home arena is the Peace and Friendship Stadium, while the volleyball department of the same club, Olympiacos S.C., is the dominant domestically and has made great success in European competitions as well. Piraeus rides really high in water polo, where Ethnikos Piraeus and Olympiacos departments have entirely dominated