Greek Empire

Greek Empire (Ελληνική Αυτοκρατορία, Ellīnikī́ Aftokratoría), the term depending on the era, can refer to the following Greek regimes:

Classical Greece

 * Greek colonization
 * Athenian Empire (The Delian League and Second Athenian League)
 * Macedonian Empire

Hellenistic world
In the Hellenistic period, Greek Empire can refer to any individual or all successor states of the Diadochi: Other Greek states:
 * Ptolemaic Egypt under Ptolemaic dynasty
 * Seleucid Empire under Seleucid dynasty
 * Macedonian Kingdom under Argead dynasty, Antipatrid dynasty and then Antigonid dynasty
 * Thrace and Asia Minor under Lysimachus
 * Kingdom of Pergamon under Attalid dynasty
 * Greco-Bactrian Kingdom under Diodotid dynasty
 * Indo-Greek Kingdom under Euthydemid dynasty
 * Epirus under Aeacidae

Middle Ages
In the Middle Ages, Greek Empire can refer to:
 * Byzantine Empire

The use of the Greek Empire to refer to the Eastern Roman Empire was very common among Enlightenment scholars, such as Montesquieu's Considerations on the Causes of the Greatness of the Romans and their Decline and Edward Gibbon's History of the Decline and Fall of the Roman Empire.

The term can also refer to any individual Byzantine successor state that was formed after the first fall of Constantinople in 1204:
 * Empire of Trebizond
 * Despotate of Epirus and then Empire of Thessalonica
 * Empire of Nicaea

Modern

 * Kingdom of Greece and Megali Idea