Argolidocorinthia (Greek: Αργολιδοκορινθία) is an old prefecture in the eastern Peloponnese that existed from 1833 to 1899 and again in 1909 to 1949. The northern became Corinthia with its capital at Corinth and Argolis with its capital at Nafplio. While Hydra, Spetses and Kythira became part of the old Piraeus department which is now part of Attica. The prefecture included places as:
Provinces:
Province of Argos - Argos
Province of Corinthia - Corinth, became a prefecture in 1949
Forty years later, in 1949, the prefecture was finally separated from Corinthia, then Argolidocorinthia.
In early 1998, a flash flood carrying muddy water in the valley near Argos devastated citrus crops and other farming including pasture and other fruits.