Chorsiai

thumb|alt=The acropolis of Korsiai|The acropolis of Korsiai Corseae or Korsiai ( or Κορσιαί) was a port of ancient Boeotia on the Corinthian Gulf. It appears from Pliny the Elder that this town was distinct from Corseia, also in the western part of Boeotia, and that it was distinguished from the other by the name of Thebae Corsicae, that is the Corseae near or belonging to Thebes.

== Toponymy == As to toponymy, it has been suggested that Demosthenes referred to Corseia (Κορσεία) in his speech On the False Embassy, a town located in the northwest of the region, bordering on Ozolian Locris; but in spite of the fact that the Athenian orator mentions Orchomenus, Coroneia and Tilphossaeum bordering on Κορσεία, the citations of Harpocration, the Periplus of Pseudo-Scylax, and Stephanus of Byzantium, have led the modern historiographers to seriously consider its location in southern Boeotia, hypothesized further by an inscription of Delphi containing a list of theorodokoi of Corseia from .