Spetses is an island and a municipality in the Islands regional unit, Attica, Greece. It is sometimes included as one of the Saronic Islands. The town of Spetses is the only large settlement on the island. The island is now an independent municipality, with no internal boundaries within the municipality. The other settlements on the island are Moní Agíon Pánton, Ligonéri, Ágioi Anárgyroi, Kouzoúnos. Also part of the Municipality of Spetses are the islands of Spetsopoula, Falkonera, and Velopoula (all uninhabited).
Hydra is one of the Saronic Islands of Greece, located in the Aegean Sea between the Saronic Gulf and the Argolic Gulf. It is separated from the Peloponnese by narrow strip of water. In ancient times, the island was known as Hydrea (Υδρέα, derived from the Greek word for "water"), which was a reference to the springs on the island.