Piraeus ("BSh") according to the Hellenic National Meteorological Service data. Piraeus is the third most populous municipality in Greece with an official population of 163,688 (in 2011). The Greater Piraeus, part of the greater Athens Urban Area, comprises the city proper (municipality of Piraeus) and four other suburban municipalities, having a total population of 448,997 people (in 2011). The table below shows the historical population of Piraeus and Piraeus regional unit in recent times. Among the archaeological sites of Piraeus, parts of the ancient Themistoclean Walls and Eetioneia, a mole in the entrance to the harbour, are still preserved in good
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