Achaia (disambiguation)
Achaia ( Greek ; Latin : Achaea ), also Achäa , stands for:
- Achaia , a prefecture and region in Greece
- Achaia Phthiotis, a region south of Thessaly, see Phthiotis
- Achaea , a Roman province
- Principality of Achaia , a crusader state
- (1150) Achaia , an asteroid
See also:
- Achaians or Achaeans, Greek tribe who lived in the Achaia region in the northwest of the Peloponnese and founded several cities there
- Achaiischer Bund , alliance of the northern Peloponnesian tribe of the Achaeans in ancient Greece