Poros (Πόρος) is a small Greek island-pair in the southern part of the Saronic Gulf, separated from the Peloponnese by a 200 m wide sea channel, with the scenic town of Galatas (Γαλατάς) on the mainland. Poros consists of two islands, Sphaeria (Σφαιρία), the southern part, which is of volcanic origin, where the town of Poros is located, and Kalavria (Καλαυρία) (meaning gentle breeze…