Piraeus Prefecture Piraeus Prefecture Piraeus Prefecture () was one of the prefectures of Greece. It was part of the Attica region and the Athens-Piraeus super-prefecture (1994–2011). The capital of the prefecture was the city of Piraeus. As a part of the 2011 Kallikratis government reform, the prefecture was abolished, and its territory was divided into two regional units: Islands and Piraeus. The prefecture covered the south-western part of the agglomeration of Athens, several islands in the Saronic Gulf (Salamis, Aegina, Agkistri, Poros, Hydra, Dokos, Spetses, Spetsopoula), Methana and Troizina on the Peloponnese peninsula, and the islands of Kythira and Antikythera south of
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,