Achaea is a subdivision of Greece.
Achaea or Achaia may also refer to:
History Achaeans (Homer), a collective name for the Greeks of the Mycenaean period used by Homer Achaeans (tribe), one of the four major tribes of Classical Greece Achaea (ancient region), an ancient Greek region in the north of the Peloponnese Achaea Phthiotis, an ancient Greek region in southeastern Thessaly Achaean League, a league of North Peloponnesian cities during the Hellenistic period Achaea (Roman province), comprising Peloponnese and central Greece Principality of Achaea, a medieval crusader state in the Peloponesse Achaea (constituency), a constituency of the Greek Parliament
Other uses Achaea, or Demeter Achaea, an epithet of the goddess Demeter Achaea, or Minerva Achaea, an epithet of the goddess Minerva Achaea, Dreams of Divine Lands, a multi-player online computer game Achaea (moth), a genus of noctuid moths 1150 Achaia, asteroid Achaia Channel, a Greek local TV station Achaia Clauss, a Greek winery Achaja, a Polish fantasy series of novels (published 2002–2004) Achaia, the main alien race in Another Life (2019 TV series)
See also Achaeans (disambiguation) Archaea West Achaea, a municipality in Achaea Kato Achaia (lit. Lower Achaea) and Ano Achaia (lit. Upper Achaea), towns in Achaea