Spetses (Modern Greek: Σπέτσες,
Katharevousa: Σπέτσαι,
Spetsai, Ancient: Πιτυούσσα, "Pityoussa") is an affluent island and a municipality in the
Islands regional unit,
Attica,
Greece. It is sometimes included as one of the
Saronic Islands. Until 1948, it was part of the old prefecture of
Argolidocorinthia, which is now split into
Argolis and
Corinthia. In ancient times, it was known as Pityoussa, and later as Petses.