
1) Ancient Greek geography 2) Greece, to Romans 3) Peloponnesian region 4) Peloponnesus region
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https://www.crosswordclues.com/clue/achaea
[Hellenic Parliament constituency] ...
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http://en.wikipedia.org/wiki/Achaea_(Hellenic_Parliament_constituency)
[Roman province] Achaea or Achaia, sometimes transliterated from Greek as Akhaïa (Αχαΐα Achaïa, axaˈia), was a province of the Roman Empire, consisting of the Peloponnese, eastern Central Greece, and parts of Thessaly. In the north, it bordered on the provinces of Epirus vetus and Macedonia. The region was annexed by the Roman Repub...
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http://en.wikipedia.org/wiki/Achaea_(Roman_province)
[ancient region] Achaea or Achaia (ə, anc, Ἀχαΐα) was (and is) the northernmost region of the Peloponnese, occupying the coastal strip north of Arcadia. Its approximate boundaries were to the south the mountain range of Erymanthus, to the south-east the range of Cyllene, to the east Sicyon, and to the west the Larissos river. Apart f...
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http://en.wikipedia.org/wiki/Achaea_(ancient_region)
[moth] Achaea is a genus of moths of the Noctuidae family. ...
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http://en.wikipedia.org/wiki/Achaea_(moth)

nomós (department) and historic region of Greece on the north coast of the Peloponnese, south of the Gulf of Corinth. In ancient times it was bounded ... [4 related articles]
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http://www.britannica.com/eb/a-z/a/11

In ancient Greece, an area of the northern Peloponnese. The Achaeans were the predominant society during the Mycenaean period and are said by Homer to have taken part in the siege of Troy. The larger Roman province of Achaea was created after the defeat of the Achaean League in 146 BC; it included all mainland Greece south of a line drawn from ...
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https://www.encyclo.co.uk/local/21221

an ancient district in S Greece, on the Gulf of Corinth.
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https://www.infoplease.com/dictionary/achaea
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