However, Pausanias, writing in the 2nd century AD, devotes one of the books of Description of Greece to the ancient region of Achaea, showing that the name, locally at least, still preserved the use from the Classical period.
Flint axes and blades fabricated from materials such as quartz or obsidian have been found in megalithic chamber tombs from this ancient region.
[7] Among other finds, alabaster pottery sherds have been discovered during excavations at Antheia in Achaia and dated to the thirteenth century BC.
[8][9] The twelve cities of Achaea were grouped into an early Achaean League which had important cultural and religious functions.
The quake hit at night causing Helike to subside and then a massive tsunami rushed in from the Corinthian Gulf to inundate the city.
The Achaeans were part of the Greek alliance led by Thebes and Athens which was defeated by King Philip II of Macedon at the Battle of Chaeronea in 338 BC.
[12] The rule of Achaea in Roman times was placed under the Senate while a proconsul of Praetorian rank was appointed as its governor with the administrative seat in Corinth.
In the year 67, Emperor Nero declared Greece to be politically free from the Roman Empire, and the Greeks began their own autonomous rule.