This is a list of known wars, conflicts, battles/sieges, missions and operations involving ancient Greek city states and kingdoms,

Magna Graecia Magna Graecia refers to the Greek-speaking areas of southern Italy, encompassing the modern Regions of Italy, Italian regions of Calabria, Apulia, Basilicata, Campania, and Sicily. These regions were Greek colonisation, extensively settled by G ...

, other Greek colonies ( First Greek colonisation, Second Greek colonisation,

Greeks in pre-Roman Crimea Greek Crimea concerns the ancient Greek settlements on the Crimean Peninsula. Greek city-states first established Greek colonies, colonies along the Black Sea coast of Crimea in the 7th or 6th century BC. Several colonies were established in th ...

, Greeks in pre-Roman Gaul, Greeks in Egypt, Greeks in Syria, Greeks in Malta), Greek Kingdoms of Hellenistic period,

Indo-Greek Kingdom The Indo-Greek Kingdom, also known as the Yavana Kingdom, was a Hellenistic period, Hellenistic-era Ancient Greece, Greek kingdom covering various parts of modern-day Afghanistan, Pakistan and northwestern India. The term "Indo-Greek Kingdom" ...

, Greco-Bactrian Kingdom,

Byzantine Empire The Byzantine Empire, also known as the Eastern Roman Empire, was the continuation of the Roman Empire centred on Constantinople during late antiquity and the Middle Ages. Having survived History of the Roman Empire, the events that caused the ...

Byzantine Greeks The Byzantine Greeks were the Medieval Greek, Greek-speaking Eastern Romans throughout Late Antiquity and the Middle Ages. They were the main inhabitants of the lands of the Byzantine Empire (Eastern Roman Empire), of Constantinople and Asia ...

, Byzantine Greek successor states of the Byzantine Empire, Kingdom of Greece and

Greece Greece, officially the Hellenic Republic, is a country in Southeast Europe. Located on the southern tip of the Balkan peninsula, it shares land borders with Albania to the northwest, North Macedonia and Bulgaria to the north, and Turkey to th ...

between 3000 BC and the present day.

Bronze Age The Bronze Age () was a historical period characterised principally by the use of bronze tools and the development of complex urban societies, as well as the adoption of writing in some areas. The Bronze Age is the middle principal period of ...
, Aegean civilizations

Mycenaean Period

Ancient Greece Ancient Greece () was a northeastern Mediterranean civilization, existing from the Greek Dark Ages of the 12th–9th centuries BC to the end of classical antiquity (), that comprised a loose collection of culturally and linguistically r ...

Dark Ages

Archaic Period

Classical Period

5th century BC

4th century BC

Hellenistic Period In classical antiquity, the Hellenistic period covers the time in Greek history after Classical Greece, between the death of Alexander the Great in 323 BC and the death of Cleopatra VII in 30 BC, which was followed by the ascendancy of the R ...
, Roman Period,
Indo-Greek Kingdom The Indo-Greek Kingdom, also known as the Yavana Kingdom, was a Hellenistic period, Hellenistic-era Ancient Greece, Greek kingdom covering various parts of modern-day Afghanistan, Pakistan and northwestern India. The term "Indo-Greek Kingdom" ...
and Greco-Bactrian Kingdom

( * ) The Greek Kingdom of Pergamon helped the

Roman Republic The Roman Republic ( ) was the era of Ancient Rome, classical Roman civilisation beginning with Overthrow of the Roman monarchy, the overthrow of the Roman Kingdom (traditionally dated to 509 BC) and ending in 27 BC with the establis ...

Medieval Greece

Byzantine period and Frankokratia

Byzantine Greece, Byzantine Greek successor states of the Byzantine Empire ( Empire of Trebizond,

Despotate of Epirus The Despotate of Epirus () was one of the Greek Rump state, successor states of the Byzantine Empire established in the aftermath of the Fourth Crusade in 1204 by a branch of the Angelos dynasty. It claimed to be the legitimate successor of the ...

, Despotate of the Morea,

Empire of Nicaea The Empire of Nicaea (), also known as the Nicene Empire, was the largest of the three Byzantine Greeks, Byzantine Greek''A Short history of Greece from early times to 1964'' by Walter Abel Heurtley, W. A. Heurtley, H. C. Darby, C. W. Crawley, C ...

, Empire of Thessalonica, Principality of Theodoro), and Frankokratia (after 1204, when Crusader states were established on the territory of the dissolved

). In 330 the Emperor

Constantine the Great Constantine I (27 February 27222 May 337), also known as Constantine the Great, was a Roman emperor from AD 306 to 337 and the first Roman emperor to convert to Christianity. He played a Constantine the Great and Christianity, pivotal ro ...

changed the capital of the

Roman Empire The Roman Empire ruled the Mediterranean and much of Europe, Western Asia and North Africa. The Roman people, Romans conquered most of this during the Roman Republic, Republic, and it was ruled by emperors following Octavian's assumption of ...

from

Rome Rome (Italian language, Italian and , ) is the capital city and most populated (municipality) of Italy. It is also the administrative centre of the Lazio Regions of Italy, region and of the Metropolitan City of Rome. A special named with 2, ...

Constantinople Constantinople (#Names of Constantinople, see other names) was a historical city located on the Bosporus that served as the capital of the Roman Empire, Roman, Byzantine Empire, Byzantine, Latin Empire, Latin, and Ottoman Empire, Ottoman empire ...

. Greek population was part of the Empire and the Eastern part of the Roman Empire was already heavily Hellenized and Emperor Heraclius completed the Hellenization (replaced

Latin Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...

with Greek as the official language, etc.) of the Byzantine Empire.

330–619

620–1204

In 620, the Heraclius introduced Greek as the official language of the Empire. He also, adopted the Greek title of

Basileus ''Basileus'' () is a Greek term and title that has signified various types of monarchs throughout history. In the English language, English-speaking world, it is perhaps most widely understood to mean , referring to either a or an . The title ...

instead of the Latin Caesar, Augustus, or Imperator.

1205–1460

Modern Era

Ottoman Greece

1461–1799

( * ) Greeks helped the Christian armies.
( ** ) Greeks helped the Russian army. In 1460 the

Ottomans Ottoman may refer to: * Osman I, historically known in English as "Ottoman I", founder of the Ottoman Empire * Osman II, historically known in English as "Ottoman II" * Ottoman Empire The Ottoman Empire (), also called the Turkish Empir ...

conquered the Despotate of the Morea, in 1461 the Empire of Trebizond (the Akcakale castle captured by the Turks in 1467 though), in 1475 the Principality of Theodoro, in 1479 the

and by 1500 most Greece was ruled by the Ottoman empire. Holdouts included

Rhodes Rhodes (; ) is the largest of the Dodecanese islands of Greece and is their historical capital; it is the List of islands in the Mediterranean#By area, ninth largest island in the Mediterranean Sea. Administratively, the island forms a separ ...

, conquered in 1522,

Cyprus Cyprus (), officially the Republic of Cyprus, is an island country in the eastern Mediterranean Sea. Situated in West Asia, its cultural identity and geopolitical orientation are overwhelmingly Southeast European. Cyprus is the List of isl ...

in 1571,

Crete Crete ( ; , Modern Greek, Modern: , Ancient Greek, Ancient: ) is the largest and most populous of the Greek islands, the List of islands by area, 88th largest island in the world and the List of islands in the Mediterranean#By area, fifth la ...

, retained by the Venetians until 1669, and the Ionian islands which remained primarily under the rule of the

Republic of Venice The Republic of Venice, officially the Most Serene Republic of Venice and traditionally known as La Serenissima, was a sovereign state and Maritime republics, maritime republic with its capital in Venice. Founded, according to tradition, in 697 ...

19th century

= 1800–1832

Ottoman Greece and Kingdom of Greece

The Kingdom of Greece established in 1832.

1832–1899

( * ) Greeks helped the Russian army.

20th century

1900–1938

( * ) Greece officially entered World War I in 1917.

1939–1945

( * ) Greece entered World War II in 1940.

1946–1949

There were fights between Greeks before 1946, but these were the prelude and not officially the start of the civil war

1950–1989

( * ) Greece didn't participate at the battles and didn't declare war on Turkey, only some Greek units participated.

1990–1999

( * ) If the Greek force had/have a specific name. The Greek forces had/have mostly

peacekeeping Peacekeeping comprises activities, especially military ones, intended to create conditions that favor lasting peace. Research generally finds that peacekeeping reduces civilian and battlefield deaths, as well as reduces the risk of renewed w ...

, humanitarian,

logistics Logistics is the part of supply chain management that deals with the efficient forward and reverse flow of goods, services, and related information from the point of origin to the Consumption (economics), point of consumption according to the ...

, reconstruction and support role

21st century

( * ) If the Greek force had/have a specific name.
( ** ) Operations started in the 20th century but continuing into the 21st century are listed in both centuries.
( *** ) ISAF was in

Afghanistan Afghanistan, officially the Islamic Emirate of Afghanistan, is a landlocked country located at the crossroads of Central Asia and South Asia. It is bordered by Pakistan to the Durand Line, east and south, Iran to the Afghanistan–Iran borde ...

from 2001–2014, but ELDAF-TESAF was from 2002-2012. Some trainers of the Hellenic Air Force who are training Afghanese pilots stayed there longer than the ELDAF-TESAF. RSM was in

from 2015-2021.
( **** ) The Greek Forces in Afghanistan was named ELDAF until 2005 and later they renamed to TESAF.
( ***** ) The Maritime Task Force (MTF) is the naval component of the United Nations Interim Force in Lebanon (UNIFIL) The Greek forces had/have mostly