Though possessing no airport, it is easily accessible from Athens via ferry or hydrofoil or from the adjacent mainland at Galatas.
The seat of the former municipality (pop. 6,507) was in Galatas.
In the last years, she investigated the Mycenaean-built Acropolis Magoula near Galatas next to the island of Poros.
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 the Peloponnese.