Achaean was a Doric dialect spoken in Achaea and its colonies in Magna Graecia. In the Hellenistic period the Achaean League used a Koina with a Doric base.
1. Historical Background
Achaea extended along the northernmost part of the Peloponnese from Sicyon in the East to Elis in the West. To the South a high mountain range separated it from Arcadia. The region rema…