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 derby Piraeus derby The Piraeus derby, is an association football rivalry between Ethnikos Piraeus and Olympiacos, the 2 teams representing the city of Piraeus. Once a major derby, since Olympiakos' dominance the derby has lost importance over the years, however the rivalry still exists as the poaching of players and the ownership of the stadium still remain a point of contention. Although the importance of the derby has declined in football, the rivalry is still very much alive in other sports, especially water polo. Since the two clubs were established in the mid-1920s, Ethnikos' traditional local rival has been Olympiacos CFP,