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Christianity Christianity is an Abrahamic monotheistic religion, which states that Jesus in Christianity, Jesus is the Son of God (Christianity), Son of God and Resurrection of Jesus, rose from the dead after his Crucifixion of Jesus, crucifixion, whose ...
in
Turkey Turkey, officially the Republic of Türkiye, is a country mainly located in Anatolia in West Asia, with a relatively small part called East Thrace in Southeast Europe. It borders the Black Sea to the north; Georgia (country), Georgia, Armen ...
has a long history, dating back to the early origins of Christianity in
Asia Minor Anatolia (), also known as Asia Minor, is a peninsula in West Asia that makes up the majority of the land area of Turkey. It is the westernmost protrusion of Asia and is geographically bounded by the Mediterranean Sea to the south, the Aegean ...
and the
Middle East The Middle East (term originally coined in English language) is a geopolitical region encompassing the Arabian Peninsula, the Levant, Turkey, Egypt, Iran, and Iraq. The term came into widespread usage by the United Kingdom and western Eur ...
during the
1st century AD File:1st century collage.png, From top left, clockwise: Jesus is crucified by Roman authorities in Judaea (17th century painting). Four different men (Galba, Otho, Vitellius, and Vespasian) claim the title of Emperor within the span of a year; T ...
. In modern times the percentage of
Christians A Christian () is a person who follows or adheres to Christianity, a monotheistic Abrahamic religion based on the life and teachings of Jesus Christ. Christians form the largest religious community in the world. The words '' Christ'' and ''C ...
in Turkey has declined from 20-25% in 1914, to about 2% in 1927, to 0.2–0.4% today. Sources estimate that the Christian population in Turkey ranges between 203,500 and more than 370,000. However, the exact number remains unclear due to the absence of a religious census in the country. The percentage of Christians in Turkey fell mainly as a result of the
late Ottoman genocides The late Ottoman genocides is a historiographical theory which sees the concurrent Armenian, Greek, and Assyrian genocides that occurred during the 1910s–1920s as parts of a single event rather than separate events, which were initiated by the ...
: the
Armenian genocide The Armenian genocide was the systematic destruction of the Armenians, Armenian people and identity in the Ottoman Empire during World War I. Spearheaded by the ruling Committee of Union and Progress (CUP), it was implemented primarily t ...
,
Greek genocide The Greek genocide (), which included the Pontic genocide, was the systematic killing of the Christian Ottoman Greek population of Anatolia, which was carried out mainly during World War I and its aftermath (1914–1922) – including the T ...
, and
Assyrian genocide The Sayfo (, ), also known as the Seyfo or the Assyrian genocide, was the mass murder and deportation of Assyrian/Syriac Christians in southeastern Anatolia and Persia's Azerbaijan province by Ottoman forces and some Kurdish tribes during ...
, the
population exchange between Greece and Turkey The 1923 population exchange between Greece and Turkey stemmed from the "Convention Concerning the Exchange of Greek and Turkish Populations" signed at Lausanne, Switzerland, on 30 January 1923, by the governments of Greece and Turkey. It involv ...
, the emigration of Christians that began in the late 19th century and gained pace in the first quarter of the 20th century, and due to events such as the 1942
Varlık Vergisi The Varlık Vergisi (, "wealth tax" or "capital tax") was a tax mostly levied on non-Muslim citizens under the Republican People's Party (CHP) government in Turkey in 1942, with the stated aim of raising funds for the country's defense in case of ...
tax levied on non-Muslim citizens in Turkey and the 1955
Istanbul pogrom The Istanbul pogrom, also known as the Istanbul riots, were a series of state-sponsored anti-Greek mob attacks directed primarily at Istanbul's Greek minority on 6–7 September 1955. The pogrom was orchestrated by the governing Democrat ...
against Greek and Armenian Christians. Exact numbers are difficult to estimate, as many Turkish former Muslim
converts to Christianity The following is a list of notable people who converted to Christianity from a different religion or no religion. This article addresses only past voluntary professions of faith by the individuals listed, and is not intended to address ethnic, c ...
often hide their Christian faith for fear of familial pressure,
religious discrimination Religious discrimination is treating a person or group differently because of the particular religion they align with or were born into. This includes instances when adherents of different religions, denominations or non-religions are treate ...
, and
persecution Persecution is the systematic mistreatment of an individual or group by another individual or group. The most common forms are religious persecution, racism, and political persecution, though there is naturally some overlap between these term ...
. This was due to events which had a significant impact on the country's demographic structure, such as the
First World War World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...
, the
anti-Christian Anti-Christian graffiti from the Alexamenos graffito">Alexamenos worships his god.") Anti-Christian sentiment, also referred to as Christianophobia or Christophobia, is the fear, hatred, discrimination, or prejudice against Christians and/or asp ...
genocides of
Greeks Greeks or Hellenes (; , ) are an ethnic group and nation native to Greece, Greek Cypriots, Cyprus, Greeks in Albania, southern Albania, Greeks in Turkey#History, Anatolia, parts of Greeks in Italy, Italy and Egyptian Greeks, Egypt, and to a l ...
,
Armenians Armenians (, ) are an ethnic group indigenous to the Armenian highlands of West Asia.Robert Hewsen, Hewsen, Robert H. "The Geography of Armenia" in ''The Armenian People From Ancient to Modern Times Volume I: The Dynastic Periods: From Antiq ...
, and
Assyrians Assyrians (, ) are an ethnic group indigenous to Mesopotamia, a geographical region in West Asia. Modern Assyrians share descent directly from the ancient Assyrians, one of the key civilizations of Mesopotamia. While they are distinct from ot ...
perpetrated by
Turkish Muslims Islam is the most practiced religion in Turkey. Most Turkish people, Turkish Sunni Muslims belong to the Hanafi school of jurisprudence. The established presence of Islam in the region that now constitutes modern Turkey dates back to the late ...
, and the
population exchange between Greece and Turkey The 1923 population exchange between Greece and Turkey stemmed from the "Convention Concerning the Exchange of Greek and Turkish Populations" signed at Lausanne, Switzerland, on 30 January 1923, by the governments of Greece and Turkey. It involv ...
, and the
emigration Emigration is the act of leaving a resident country or place of residence with the intent to settle elsewhere (to permanently leave a country). Conversely, immigration describes the movement of people into one country from another (to permanentl ...
of persecuted Christians (such as
Assyrians Assyrians (, ) are an ethnic group indigenous to Mesopotamia, a geographical region in West Asia. Modern Assyrians share descent directly from the ancient Assyrians, one of the key civilizations of Mesopotamia. While they are distinct from ot ...
,
Greeks Greeks or Hellenes (; , ) are an ethnic group and nation native to Greece, Greek Cypriots, Cyprus, Greeks in Albania, southern Albania, Greeks in Turkey#History, Anatolia, parts of Greeks in Italy, Italy and Egyptian Greeks, Egypt, and to a l ...
,
Armenians Armenians (, ) are an ethnic group indigenous to the Armenian highlands of West Asia.Robert Hewsen, Hewsen, Robert H. "The Geography of Armenia" in ''The Armenian People From Ancient to Modern Times Volume I: The Dynastic Periods: From Antiq ...
, etc.) to foreign countries (mostly in
Europe Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere. It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east ...
and the
Americas The Americas, sometimes collectively called America, are a landmass comprising the totality of North America and South America.''Webster's New World College Dictionary'', 2010 by Wiley Publishing, Inc., Cleveland, Ohio. When viewed as a sing ...
) that began in the late 19th century and gained pace in the first quarter of the 20th century, especially during World War I. Signed after the First World War, the
Treaty of Lausanne The Treaty of Lausanne (, ) is a peace treaty negotiated during the Lausanne Conference of 1922–1923 and signed in the Palais de Rumine in Lausanne, Switzerland, on 24 July 1923. The treaty officially resolved the conflict that had initially ...
explicitly guarantees the security and protection of both Greek and Armenian Orthodox Christian minorities. Their religious institutions are recognized officially by the Republic of Turkey. In 2011 according to the
Pew Research Center The Pew Research Center (also simply known as Pew) is a nonpartisan American think tank based in Washington, D.C. It provides information on social issues, public opinion, and demographic trends shaping the United States and the world. It ...
, there were more than 200,000-320,000 people of different
Christian denominations A Christian () is a person who follows or adheres to Christianity, a monotheistic Abrahamic religion based on the life and teachings of Jesus Christ. Christians form the largest religious community in the world. The words '' Christ'' and ''C ...
in Turkey, representing roughly 0.3-0.4 percent of Turkey's population, including an estimated 80,000 population of
Oriental Orthodox The Oriental Orthodox Churches are Eastern Christianity, Eastern Christian churches adhering to Miaphysitism, Miaphysite Christology, with approximately 50 million members worldwide. The Oriental Orthodox Churches adhere to the Nicene Christian ...
Christians, 47,000 Turkish Orthodox Christians, 35,000
Roman Catholic The Catholic Church (), also known as the Roman Catholic Church, is the largest Christian church, with 1.27 to 1.41 billion baptized Catholics worldwide as of 2025. It is among the world's oldest and largest international institut ...
Christians, 18,000 Antiochian Greeks, 5,000
Greek Orthodox Greek Orthodox Church (, , ) is a term that can refer to any one of three classes of Christian Churches, each associated in some way with Greek Christianity, Levantine Arabic-speaking Christians or more broadly the rite used in the Eastern Rom ...
Christians, 8,000
Protestant Protestantism is a branch of Christianity that emphasizes Justification (theology), justification of sinners Sola fide, through faith alone, the teaching that Salvation in Christianity, salvation comes by unmerited Grace in Christianity, divin ...
Christians, 4,994
Jehovah's Witnesses Jehovah's Witnesses is a Christian denomination that is an outgrowth of the Bible Student movement founded by Charles Taze Russell in the nineteenth century. The denomination is nontrinitarian, millenarian, and restorationist. Russell co-fou ...
, and 512
Mormons Mormons are a Religious denomination, religious and ethnocultural group, cultural group related to Mormonism, the principal branch of the Latter Day Saint movement started by Joseph Smith in upstate New York during the 1820s. After Smith's d ...
. There is also a small group of ethnic Orthodox-Christian Turks (mostly living in
Istanbul Istanbul is the List of largest cities and towns in Turkey, largest city in Turkey, constituting the country's economic, cultural, and historical heart. With Demographics of Istanbul, a population over , it is home to 18% of the Demographics ...
and
İzmir İzmir is the List of largest cities and towns in Turkey, third most populous city in Turkey, after Istanbul and Ankara. It is on the Aegean Sea, Aegean coast of Anatolia, and is the capital of İzmir Province. In 2024, the city of İzmir had ...
) who follow the Greek Orthodox, Turkish Orthodox, or
Syriac Orthodox The Syriac Orthodox Church (), also informally known as the Jacobite Church, is an Oriental Orthodox denomination that originates from the Church of Antioch. The church currently has around 4-5 million followers. The church upholds the Mia ...
churches, and additionally Protestant Turks who still face difficulties regarding social acceptance, and also historic claims to churches or property in the country because they are former Muslim
converts to Christianity The following is a list of notable people who converted to Christianity from a different religion or no religion. This article addresses only past voluntary professions of faith by the individuals listed, and is not intended to address ethnic, c ...
from Turkish–Muslim background, rather than
ethnic minorities The term "minority group" has different meanings, depending on the context. According to common usage, it can be defined simply as a group in society with the least number of individuals, or less than half of a population. Usually a minority g ...
. Ethnically Turkish Protestants number around 7,000–8,000. In 2009, there were 236 Christian churches open for worship in Turkey. The
Eastern Orthodox Church The Eastern Orthodox Church, officially the Orthodox Catholic Church, and also called the Greek Orthodox Church or simply the Orthodox Church, is List of Christian denominations by number of members, one of the three major doctrinal and ...
has been headquartered in Constantinople since the 4th century AD. In 2020 the
Anadolu Agency Anadolu Agency (, ; abbreviated AA) is a state-run news agency headquartered in Ankara, Turkey. History The Anadolu Agency was founded in 1920 during the Turkish War of Independence by the order of Mustafa Kemal Pasha. As the Empire's capital � ...
, a state-run news agency of the Turkish government, claimed that the number of Christians in Turkey was 180,854, which corresponds to 0.2% of the population. In a 2022 report of the
U.S. Department of State The United States Department of State (DOS), or simply the State Department, is an executive department of the U.S. federal government responsible for the country's foreign policy and relations. Equivalent to the ministry of foreign affairs o ...
, Christians were seen as being 0.2% of the population. The estimated number of adherents mainly refers to
Armenian Orthodox The Armenian Apostolic Church () is the autocephalous national church of Armenia. Part of Oriental Orthodoxy, it is one of the most ancient Christian churches. The Armenian Apostolic Church, like the Armenian Catholic Church, belongs to the Arme ...
Christians, Armenian Catholics,
Chaldean Catholics The Chaldean Catholic Church is an Eastern Catholic particular church ('' sui iuris'') in full communion with the Holy See and the rest of the Catholic Church, and is headed by the Chaldean Patriarchate. Employing in its liturgy the East Syri ...
,
Eastern Catholics The Eastern Catholic Churches or Oriental Catholic Churches, also known as the Eastern-Rite Catholic Churches, Eastern Rite Catholicism, or simply the Eastern Churches, are 23 Eastern Christian autonomous ('' sui iuris'') particular churches of ...
,
Greek Orthodox Greek Orthodox Church (, , ) is a term that can refer to any one of three classes of Christian Churches, each associated in some way with Greek Christianity, Levantine Arabic-speaking Christians or more broadly the rite used in the Eastern Rom ...
Christians,
Oriental Orthodox The Oriental Orthodox Churches are Eastern Christianity, Eastern Christian churches adhering to Miaphysitism, Miaphysite Christology, with approximately 50 million members worldwide. The Oriental Orthodox Churches adhere to the Nicene Christian ...
Christians,
Protestants Protestantism is a branch of Christianity that emphasizes Justification (theology), justification of sinners Sola fide, through faith alone, the teaching that Salvation in Christianity, salvation comes by unmerited Grace in Christianity, divin ...
, and
Syriac Orthodox The Syriac Orthodox Church (), also informally known as the Jacobite Church, is an Oriental Orthodox denomination that originates from the Church of Antioch. The church currently has around 4-5 million followers. The church upholds the Mia ...
Christians, as well as smaller groups. It was noted that the number of
Eastern Orthodox Christians Eastern Orthodoxy, otherwise known as Eastern Orthodox Christianity or Byzantine Christianity, is one of the three main branches of Chalcedonian Christianity, alongside Catholicism and Protestantism. Like the Pentarchy of the first millenni ...
had risen sharply, mainly due to refugees from
Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...
and
Ukraine Ukraine is a country in Eastern Europe. It is the List of European countries by area, second-largest country in Europe after Russia, which Russia–Ukraine border, borders it to the east and northeast. Ukraine also borders Belarus to the nor ...
. In 2024,
Freedom House Freedom House is a nonprofit organization based in Washington, D.C. It is best known for political advocacy surrounding issues of democracy, Freedom (political), political freedom, and human rights. Freedom House was founded in October 1941, wi ...
rated the country 2 out of 4 for
religious freedom Freedom of religion or religious liberty, also known as freedom of religion or belief (FoRB), is a principle that supports the freedom of an individual or community, in public or private, to manifest religion or belief in teaching, practice ...
; this was mainly due to disputes over land. The Mor Ephrem Syriac Orthodox church, opened in October 2023, was the first church built since the foundation of the Republic of Turkey.


Historical background


Early Christianity

The
Christianization Christianization (or Christianisation) is a term for the specific type of change that occurs when someone or something has been or is being converted to Christianity. Christianization has, for the most part, spread through missions by individu ...
of ancient
Assyrians Assyrians (, ) are an ethnic group indigenous to Mesopotamia, a geographical region in West Asia. Modern Assyrians share descent directly from the ancient Assyrians, one of the key civilizations of Mesopotamia. While they are distinct from ot ...
and
Armenians Armenians (, ) are an ethnic group indigenous to the Armenian highlands of West Asia.Robert Hewsen, Hewsen, Robert H. "The Geography of Armenia" in ''The Armenian People From Ancient to Modern Times Volume I: The Dynastic Periods: From Antiq ...
most likely began around the
1st century AD File:1st century collage.png, From top left, clockwise: Jesus is crucified by Roman authorities in Judaea (17th century painting). Four different men (Galba, Otho, Vitellius, and Vespasian) claim the title of Emperor within the span of a year; T ...
. The
spread of Christianity Christianity began as a Second Temple Judaic sect in the 1st century in the Roman province of Judea, from where it spread throughout and beyond the Roman Empire. Origins Christianity "emerged as a sect of Judaism in Roman Judea" in the sy ...
beyond
Jerusalem Jerusalem is a city in the Southern Levant, on a plateau in the Judaean Mountains between the Mediterranean Sea, Mediterranean and the Dead Sea. It is one of the List of oldest continuously inhabited cities, oldest cities in the world, and ...
is discussed in the
Book of Acts The Acts of the Apostles (, ''Práxeis Apostólōn''; ) is the fifth book of the New Testament; it tells of the founding of the Christian Church and the spread of The gospel, its message to the Roman Empire. Acts and the Gospel of Luke make u ...
. The
Cappadocian Fathers The Cappadocian Fathers, also traditionally known as the Three Cappadocians, were a trio of Byzantine Christian prelates, theologians and monks who helped shape both early Christianity and the monastic tradition. Basil the Great (330–379) wa ...
produced some of the earliest
hagiographies A hagiography (; ) is a biography of a saint or an ecclesiastical leader, as well as, by extension, an adulatory and idealized biography of a preacher, priest, founder, saint, monk, nun or icon in any of the world's religions. Early Christian ...
in the region. In addition to writings about feminine
virtue A virtue () is a trait of excellence, including traits that may be morality, moral, social, or intellectual. The cultivation and refinement of virtue is held to be the "good of humanity" and thus is Value (ethics), valued as an Telos, end purpos ...
by
Gregory of Nyssa Gregory of Nyssa, also known as Gregory Nyssen ( or Γρηγόριος Νυσσηνός; c. 335 – c. 394), was an early Roman Christian prelate who served as Bishop of Nyssa from 372 to 376 and from 378 until his death in 394. He is ve ...
and Gregory of Nazianzos; later texts about Nicholas of Sion and Theodore of Sykeon described miracles and rural life. The historical region of Syria became one of the main centers of miaphisite Christianity, embodied in the
Oriental Orthodoxy The Oriental Orthodox Churches are Eastern Christian churches adhering to Miaphysite Christology, with approximately 50 million members worldwide. The Oriental Orthodox Churches adhere to the Nicene Christian tradition. Oriental Orthodoxy is ...
, which had accepted only the first three
ecumenical councils An ecumenical council, also called general council, is a meeting of bishops and other church authorities to consider and rule on questions of Christian doctrine, administration, discipline, and other matters in which those entitled to vote are ...
:
Nicaea Nicaea (also spelled Nicæa or Nicea, ; ), also known as Nikaia (, Attic: , Koine: ), was an ancient Greek city in the north-western Anatolian region of Bithynia. It was the site of the First and Second Councils of Nicaea (the first and seve ...
(325),
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 ...
(381) and
Ephesus Ephesus (; ; ; may ultimately derive from ) was an Ancient Greece, ancient Greek city on the coast of Ionia, in present-day Selçuk in İzmir Province, Turkey. It was built in the 10th century BC on the site of Apasa, the former Arzawan capital ...
(431). Miaphisite Christians were strongly opposed to
Chalcedonian Creed The Chalcedonian Definition (also called the Chalcedonian Creed or the Definition of Chalcedon) is the declaration of the dyophysitism of Hypostatic union, Christ's nature, adopted at the Council of Chalcedon in AD 451. Chalcedon was an Early cen ...
that had been established by the
Council of Chalcedon The Council of Chalcedon (; ) was the fourth ecumenical council of the Christian Church. It was convoked by the Roman emperor Marcian. The council convened in the city of Chalcedon, Bithynia (modern-day Kadıköy, Istanbul, Turkey) from 8 Oct ...
in 451. In the 5th and 6th centuries, the
Syriac Orthodox Church The Syriac Orthodox Church (), also informally known as the Jacobite Church, is an Oriental Orthodox Christian denomination, denomination that originates from the Church of Antioch. The church currently has around 4-5 million followers. The ch ...
that originated in
Antioch Antioch on the Orontes (; , ) "Antioch on Daphne"; or "Antioch the Great"; ; ; ; ; ; ; . was a Hellenistic Greek city founded by Seleucus I Nicator in 300 BC. One of the most important Greek cities of the Hellenistic period, it served as ...
continued to fracture into multiple denominations. Some Armenian
miaphysite Miaphysitism () is the Christological doctrine that holds Jesus, the Incarnate Word, is fully divine and fully human, in one nature (''physis'', ). It is a position held by the Oriental Orthodox Churches. It differs from the Dyophysitism of the ...
Christians sought to reunite with Rome in later centuries, but their efforts were unsuccessful.
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 ...
is generally considered to be the center and the "cradle of Orthodox
Christian civilization Christianity has been intricately intertwined with the History of Western civilization, history and formation of Western society. Throughout history of Christianity, its long history, the Christian Church, Church has been a major source of so ...
". From the mid-5th century to the early 13th century, Constantinople was the largest and wealthiest city in Europe. The city became famous for its architectural masterpieces, such as
Hagia Sophia Hagia Sophia (; ; ; ; ), officially the Hagia Sophia Grand Mosque (; ), is a mosque and former Church (building), church serving as a major cultural and historical site in Istanbul, Turkey. The last of three church buildings to be successively ...
, the cathedral of the
Eastern Orthodox Church The Eastern Orthodox Church, officially the Orthodox Catholic Church, and also called the Greek Orthodox Church or simply the Orthodox Church, is List of Christian denominations by number of members, one of the three major doctrinal and ...
, which served as the seat of the
Ecumenical Patriarchate The Ecumenical Patriarchate of Constantinople (, ; ; , "Roman Orthodox Patriarchate, Ecumenical Patriarchate of Istanbul") is one of the fifteen to seventeen Autocephaly, autocephalous churches that together compose the Eastern Orthodox Church. ...
, the sacred Imperial Palace where the Emperors lived, the
Hippodrome Hippodrome is a term sometimes used for public entertainment venues of various types. A modern example is the Hippodrome which opened in London in 1900 "combining circus, hippodrome, and stage performances". The term hippodroming refers to fr ...
, the
Golden Gate The Golden Gate is a strait on the west coast of North America that connects San Francisco Bay to the Pacific Ocean. It is defined by the headlands of the San Francisco Peninsula and the Marin Peninsula, and, since 1937, has been spanned by ...
of the Land Walls, and opulent aristocratic palaces. The
University of Constantinople The Imperial University of Constantinople, sometimes known as the University of the Palace Hall of Magnaura (), was an Eastern Roman educational institution that could trace its corporate origins to 425 AD, when the emperor Theodosius II foun ...
was founded in the fifth century and contained artistic and literary treasures before it was sacked in 1204 and 1453, including its vast Imperial Library which contained the remnants of the
Library of Alexandria The Great Library of Alexandria in Alexandria, Egypt, was one of the largest and most significant libraries of the ancient world. The library was part of a larger research institution called the Mouseion, which was dedicated to the Muses, ...
and had 100,000 volumes. The city was the home of the
Ecumenical Patriarch of Constantinople The ecumenical patriarch of Constantinople () is the List of ecumenical patriarchs of Constantinople, archbishop of Constantinople and (first among equals) among the heads of the several autocephalous churches that comprise the Eastern Orthodox ...
and guardian of
Christendom The terms Christendom or Christian world commonly refer to the global Christian community, Christian states, Christian-majority countries or countries in which Christianity is dominant or prevails.SeMerriam-Webster.com : dictionary, "Christen ...
's holiest relics such as the
Crown of thorns According to the New Testament, a woven crown of thorns ( or ) was placed on the head of Jesus during the Passion of Jesus, events leading up to his crucifixion of Jesus, crucifixion. It was one of the Arma Christi, instruments of the Passion, e ...
and the
True Cross According to Christian tradition, the True Cross is the real instrument of Jesus' crucifixion, cross on which Jesus of Nazareth was Crucifixion of Jesus, crucified. It is related by numerous historical accounts and Christian mythology, legends ...
. During most of its existence, the
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 ...
was one of the most powerful economic, cultural, and military forces in Europe. The imperial role in the affairs of the Church never developed into a fixed, legally defined system.. Additionally, due to the decline of Rome and internal dissension in the other Eastern Patriarchates, the Church of Constantinople became, between the 6th and 11th centuries, the richest and most influential centre of
Christendom The terms Christendom or Christian world commonly refer to the global Christian community, Christian states, Christian-majority countries or countries in which Christianity is dominant or prevails.SeMerriam-Webster.com : dictionary, "Christen ...
.. The Eastern Orthodox Church split from Rome during the Great Schism of 1054. With the arrival of the crusaders many Orthodox bishops, particularly in Antioch, were replaced by Latin
prelates A prelate () is a high-ranking member of the Christian clergy who is an ordinary or who ranks in precedence with ordinaries. The word derives from the Latin , the past participle of , which means 'carry before', 'be set above or over' or 'pre ...
. After the Mongols defeated the Abbasid Caliphate in 1258, the
Armenians Armenians (, ) are an ethnic group indigenous to the Armenian highlands of West Asia.Robert Hewsen, Hewsen, Robert H. "The Geography of Armenia" in ''The Armenian People From Ancient to Modern Times Volume I: The Dynastic Periods: From Antiq ...
and
Nestorians Nestorianism is a term used in Christian theology and Church history to refer to several mutually related but doctrinary, doctrinarily distinct sets of teachings. The first meaning of the term is related to the original teachings of Christian t ...
had decent relations with the conquering Il-khans for a time, but by the end of the 14th-century many Syrian Orthodox and Nestorian churches were destroyed when the Turco-Mongolian ruler Temür raided
West Asia West Asia (also called Western Asia or Southwest Asia) is the westernmost region of Asia. As defined by most academics, UN bodies and other institutions, the subregion consists of Anatolia, the Arabian Peninsula, Iran, Mesopotamia, the Armenian ...
. Two out of the five centers (
Patriarchate Patriarchate (, ; , ''patriarcheîon'') is an ecclesiological term in Christianity, referring to the office and jurisdiction of a patriarch. According to Christian tradition, three patriarchates—Rome, Antioch, and Alexandria—were establi ...
s) of the ancient
Pentarchy Pentarchy (, ) was a model of Church organization formulated in the laws of Emperor Justinian I () of the Roman Empire. In this model, the Christian Church is governed by the heads (patriarchs) of the five major episcopal sees of the Roman Em ...
are in Turkey:
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 ...
(
Istanbul Istanbul is the List of largest cities and towns in Turkey, largest city in Turkey, constituting the country's economic, cultural, and historical heart. With Demographics of Istanbul, a population over , it is home to 18% of the Demographics ...
) and
Antioch Antioch on the Orontes (; , ) "Antioch on Daphne"; or "Antioch the Great"; ; ; ; ; ; ; . was a Hellenistic Greek city founded by Seleucus I Nicator in 300 BC. One of the most important Greek cities of the Hellenistic period, it served as ...
(
Antakya Antakya (), Turkish form of Antioch, is a municipality and the capital Districts of Turkey, district of Hatay Province, Turkey. Its area is . Prior to the devastating 2023 Turkey–Syria earthquakes, 2023 earthquakes, its population was recorded ...
). Antioch was also the place where the followers of
Jesus Jesus (AD 30 or 33), also referred to as Jesus Christ, Jesus of Nazareth, and many Names and titles of Jesus in the New Testament, other names and titles, was a 1st-century Jewish preacher and religious leader. He is the Jesus in Chris ...
were called "Christians" for the first time in history, as well as being the site of one of the earliest and oldest surviving churches, established by
Saint Peter Saint Peter (born Shimon Bar Yonah; 1 BC – AD 64/68), also known as Peter the Apostle, Simon Peter, Simeon, Simon, or Cephas, was one of the Twelve Apostles of Jesus and one of the first leaders of the Jewish Christian#Jerusalem ekklēsia, e ...
himself. For a thousand years, the
Hagia Sophia Hagia Sophia (; ; ; ; ), officially the Hagia Sophia Grand Mosque (; ), is a mosque and former Church (building), church serving as a major cultural and historical site in Istanbul, Turkey. The last of three church buildings to be successively ...
was the largest church in the world. Turkey is also home to the
Seven Churches of Asia The Seven Churches of Revelation, also known as the Seven Churches of the Apocalypse and the Seven Churches of Asia, are seven churches of early Christianity mentioned in the New Testament Book of Revelation. All of them were located in Asia Min ...
, where the Revelation to John was sent.
Apostle John John the Apostle (; ; ), also known as Saint John the Beloved and, in Eastern Orthodox Christianity, Saint John the Theologian, was one of the Twelve Apostles of Jesus according to the New Testament. Generally listed as the youngest apostle, he ...
is reputed to have taken
Virgin Mary Mary was a first-century Jewish woman of Nazareth, the wife of Saint Joseph, Joseph and the mother of Jesus. She is an important figure of Christianity, venerated under titles of Mary, mother of Jesus, various titles such as Perpetual virginity ...
to
Ephesus Ephesus (; ; ; may ultimately derive from ) was an Ancient Greece, ancient Greek city on the coast of Ionia, in present-day Selçuk in İzmir Province, Turkey. It was built in the 10th century BC on the site of Apasa, the former Arzawan capital ...
in western Turkey, where she spent the last days of her life in a small house, known as the
House of the Virgin Mary The House of the Virgin Mary ( Turkish: ''Meryemana Evi'' or ''Meryem Ana Evi'', "Mother Mary's House") is a Catholic shrine located on Mt. Koressos (Turkish: ''Bülbüldağı'', "Mount Nightingale") in the vicinity of Ephesus, from Selçuk in ...
, which still survives today and has been recognized as a holy site for pilgrimage by the Catholic and Orthodox churches, as well as being a Muslim shrine. The cave of the
Seven Sleepers The Seven Sleepers (; ), also known in Christendom as Seven Sleepers of Ephesus, and in Islam as Aṣḥāb al-Kahf (اصحاب الکهف, ''aṣḥāb al-kahf'', lit. Companions of the Cave), is a Late antiquity, late antique Christianity, ...
is also located in Ephesus. The death of the
Forty Martyrs of Sebaste The Forty Martyrs of Sebaste or the Holy Forty (Ancient/Katharevousa Greek and Ἅγιοι Τεσσαράκοντα; Demotic: Άγιοι Σαράντα) were a group of Roman soldiers in the Legio XII ''Fulminata'' (Armed with Lightning) whose m ...
(modern day
Sivas Sivas is a city in central Turkey. It is the seat of Sivas Province and Sivas District.İl Beledi ...
) is recorded as 320 AD during a persecution by Emperor Licinius. They are mentioned by
Basil Basil (, ; , ; ''Ocimum basilicum'' (, )), also called great basil, is a culinary herb of the family Lamiaceae (mints). It is a hardiness (plants), tender plant, and is used in cuisines worldwide. In Western cuisine, the generic term "basil" r ...
,
Gregory of Nyssa Gregory of Nyssa, also known as Gregory Nyssen ( or Γρηγόριος Νυσσηνός; c. 335 – c. 394), was an early Roman Christian prelate who served as Bishop of Nyssa from 372 to 376 and from 378 until his death in 394. He is ve ...
,
Ephrem the Syrian Ephrem the Syrian (; ), also known as Ephraem the Deacon, Ephrem of Edessa or Aprem of Nisibis, (Syriac: ܡܪܝ ܐܦܪܝܡ ܣܘܪܝܝܐ — ''Mâr Aphrêm Sûryâyâ)'' was a prominent Christian theology, Christian theologian and Christian literat ...
and
John Chrysostom John Chrysostom (; ; – 14 September 407) was an important Church Father who served as archbishop of Constantinople. He is known for his preaching and public speaking, his denunciation of abuse of authority by both ecclesiastical and p ...
.


Ottoman Empire

In accordance with the traditional custom of the time, the
Ottoman sultan The sultans of the Ottoman Empire (), who were all members of the Ottoman dynasty (House of Osman), ruled over the Boundaries between the continents, transcontinental empire from its perceived inception in 1299 to Dissolution of the Ottoman Em ...
Mehmed II Mehmed II (; , ; 30 March 14323 May 1481), commonly known as Mehmed the Conqueror (; ), was twice the sultan of the Ottoman Empire from August 1444 to September 1446 and then later from February 1451 to May 1481. In Mehmed II's first reign, ...
allowed his troops and his entourage three full days of unbridled pillage and looting in the Christian city of
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 ...
, 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 ...
since its foundation by the Roman 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 ...
in the 4th century AD, shortly after it was captured in 1453. Once the three days passed, he would then claim its remaining contents for himself. However, by the end of the first day, he proclaimed that the looting should cease as he felt profound sadness when he toured the looted and enslaved city. The cathedral of
Hagia Sophia Hagia Sophia (; ; ; ; ), officially the Hagia Sophia Grand Mosque (; ), is a mosque and former Church (building), church serving as a major cultural and historical site in Istanbul, Turkey. The last of three church buildings to be successively ...
was not exempted from the pillage and looting and specifically became its focal point, as the
Ottoman Turks The Ottoman Turks () were a Turkic peoples, Turkic ethnic group in Anatolia. Originally from Central Asia, they migrated to Anatolia in the 13th century and founded the Ottoman Empire, in which they remained socio-politically dominant for the e ...
believed it to contain the greatest treasures and valuables of the city.Nicol. ''The End of the Byzantine Empire'', p. 90. Shortly after the defence of the
Walls of Constantinople The Walls of Constantinople (; ) are a series of defensive wall, defensive stone walls that have surrounded and protected the city of Constantinople (modern Fatih district of Istanbul) since its founding as the new capital of the Roman Empire b ...
, the city collapsed and the Ottoman troops entered victoriously; the pillagers and looters made their way to the Hagia Sophia and battered down its doors before storming in. Throughout the period of the siege of Constantinople, the trapped Christian worshippers of the city participated in the
Divine Liturgy Divine Liturgy () or Holy Liturgy is the usual name used in most Eastern Christian rites for the Eucharistic service. The Eastern Catholic Churches, Eastern Lutheranism, Eastern Lutheran Churches and the Eastern Orthodox Church believe the Divi ...
and the Prayer of the Hours at the
Hagia Sophia Hagia Sophia (; ; ; ; ), officially the Hagia Sophia Grand Mosque (; ), is a mosque and former Church (building), church serving as a major cultural and historical site in Istanbul, Turkey. The last of three church buildings to be successively ...
and the church formed a safe-haven and a refuge for many of those who were unable to contribute to the city's defence, which comprised women, children, elderly, the sick, and the wounded.Runciman. ''The Fall of Constantinople'', pp. 133–34.Nicol, Donald M. ''The Last Centuries of Byzantium 1261–1453''. Cambridge: Cambridge University Press, 1972, p. 389. Being trapped in the church, the many congregants and yet more refugees inside became spoils-of-war to be divided amongst the Ottoman invaders. The building was desecrated and looted, with the helpless occupants who sought shelter within the church being enslaved. While most of the elderly, the infirm/wounded, and sick were killed, and the remainder (mainly teenage males and young boys) were chained up and sold into slavery. The women of Constantinople also suffered from
rape Rape is a type of sexual assault involving sexual intercourse, or other forms of sexual penetration, carried out against a person without consent. The act may be carried out by physical force, coercion, abuse of authority, or against a person ...
and
sexual violence Sexual violence is any harmful or unwanted Human sexual activity, sexual act, an attempt to obtain a sexual act through violence or coercion, or an act directed against a person's sexuality without their consent, by any individual regardless of ...
at the hands of Ottoman forces. According to historian Barbaro, "all through the day the Turks made a great slaughter of Christians through the city". According to historian Philip Mansel, widespread persecution of the city's civilian inhabitants took place, resulting in thousands of murders and rapes, and 30,000 civilians being enslaved or forcibly deported.
George Sphrantzes George Sphrantzes, also Phrantzes or Phrantza ( or Φραντζῆς; 30 August 1401 – 1478), was a late Byzantine Greek historian and Imperial courtier. He was an attendant to Emperor Manuel II Palaiologos, '' protovestiarites'' ("Lord of the I ...
says that people of both sexes were raped inside the church of Hagia Sophia. The first capitulation concluded between the Ottoman Empire and a foreign state was that of 1535, granted to the
Kingdom of France The Kingdom of France is the historiographical name or umbrella term given to various political entities of France in the Middle Ages, medieval and Early modern France, early modern period. It was one of the most powerful states in Europe from th ...
. The Ottoman Empire was then at the height its power, and the
French king France was ruled by monarchs from the establishment of the kingdom of West Francia in 843 until the end of the Second French Empire in 1870, with several interruptions. Classical French historiography usually regards Clovis I, king of the Fra ...
Francis I had shortly before sustained a disastrous defeat at the
Battle of Pavia The Battle of Pavia, fought on the morning of 24 February 1525, was the decisive engagement of the Italian War of 1521–1526 between the Kingdom of France and the Habsburg Empire of Charles V, Holy Roman Emperor, Charles V, Holy Roman Empero ...
. His only hope of assistance lay in the
Ottoman sultan The sultans of the Ottoman Empire (), who were all members of the Ottoman dynasty (House of Osman), ruled over the Boundaries between the continents, transcontinental empire from its perceived inception in 1299 to Dissolution of the Ottoman Em ...
Suleiman I. The appeal to Suleiman on the ground of the common interest of the Kingdom of France and the Ottoman Empire in overcoming the power of the
Holy Roman Emperor The Holy Roman Emperor, originally and officially the Emperor of the Romans (disambiguation), Emperor of the Romans (; ) during the Middle Ages, and also known as the Roman-German Emperor since the early modern period (; ), was the ruler and h ...
Charles V Charles V may refer to: Kings and Emperors * Charles V, Holy Roman Emperor (1500–1558) * Charles V of Naples (1661–1700), better known as Charles II of Spain * Charles V of France (1338–1380), called the Wise Others * Charles V, Duke ...
overweening power was successful; thus was established the
Franco-Ottoman alliance The Franco-Ottoman alliance, also known as the Franco-Turkish alliance, was an alliance established in 1536 between Francis I of France, Francis I, King of France and Suleiman the Magnificent, Suleiman I of the Ottoman Empire. The strategic and s ...
, and in 1536 the capitulations were signed. They amounted to a treaty of commerce and a treaty allowing the establishment of Christian Frenchmen in Ottoman Turkey and fixing the jurisdiction to be exercised over them:
individual An individual is one that exists as a distinct entity. Individuality (or self-hood) is the state or quality of living as an individual; particularly (in the case of humans) as a person unique from other people and possessing one's own needs or g ...
and
religious liberty Freedom of religion or religious liberty, also known as freedom of religion or belief (FoRB), is a principle that supports the freedom of an individual or community, in public or private, to manifest religion or belief in teaching, practice ...
was guaranteed to them, the King of France was empowered to appoint consuls in Ottoman Turkey, the consuls were recognized as competent to judge the civil and criminal affairs of French subjects in Ottoman Turkey according to
French law French law has a dual jurisdictional system comprising private law (), also known as judicial law, and public law (). Judicial law includes, in particular: * () * Criminal law () Public law includes, in particular: * Administrative law ( ...
, and the consuls may appeal to the officers of the sultan for their aid in the execution of their sentences. This, the first of the capitulations, can be seen as the prototype of its successors. Anglican, American Presbyterian, and German Lutheran missionaries arrived in the Ottoman Empire in the 19th century. During the same period, there were nationalistic campaigns against Assyrians which often had the assistance of Kurdish paramilitary support. In 1915, Turks and Kurds massacred tens of thousands Assyrians in Siirt. Assyrians were attacked in the Hakkari mountains by the Turkish army with the help of Kurdish tribes, and many Christians were deported and about a quarter million Assyrians were murdered or died due to persecution. This number doubles if the killings during the 1890s are included. Kurds saw the Assyrians as dangerous foreigners and enforcers of the British colonizers, which made it justifiable to them to commit ethnic cleansing. The Kurds fought the Assyrians also due to fears that the Armenians, or European colonial powers backing them, would assume control in Anatolia.Klein, The Margins of Empire, and https://etd.ohiolink.edu/!etd.send_file?accession=akron1464911392&disposition=inline "The Simele Massacre as a Cause of Iraqi Nationalism: How an Assyrian Genocide Created Iraqi Martial Nationalism" Kurdish military plundered Armenian and other Christian villages. In the 1890s the ''Hamidiye (cavalry), Hamidiye'' (Kurdish paramilitary units) attacked Armenians in a series of clashes that culminated in the Hamidian massacres of 1894-1896 and the Adana massacre in 1909. It is estimated that between 80,000 and 300,000 Armenians were killed during these pre-War massacres. Into the 19th century, the Christians of Istanbul tended to be either
Greek Orthodox Greek Orthodox Church (, , ) is a term that can refer to any one of three classes of Christian Churches, each associated in some way with Greek Christianity, Levantine Arabic-speaking Christians or more broadly the rite used in the Eastern Rom ...
, members of the Armenian Apostolic Church or Catholic Levantines (Latin Christians), Levantines.


First World War

During the tumultuous period of the
First World War World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...
, up to 3 million indigenous Christians are alleged to have been killed. Prior to this time, the Christian population stood at around 20% -25% of the total. According to professor Martin van Bruinessen, relations between Christians and Kurdish and other Muslim peoples were often bitter and during World War I "Christians of Tur Abdin (in Turkey) for instance have been subjected to brutal treatment by Kurdish tribes, who took their land and even their daughters". Kurdish-dominated Hamidiye slaughtered Christian Armenians in Tur Abdin region in 1915.The Armenian Genocide: Cultural and Ethical Legacies, Richard G. Hovannisian, Transaction Publishers It is estimated that ten thousand Assyrians were killed, and reportedly "the skulls of small children were smashed with rocks, the bodies of girls and women who resisted rape were chopped into pieces live, men were mostly beheaded, and the clergy skinned or burnt alive...." In 1915, Turks and Kurds plundered the Assyrian village of Mar-Zaya in Jelu and slaughtered the population, it is estimated that 7,000 Assyrians were slaughtered during this period. In September 1914 more than 30 Armenian and Assyrian villages were burnt by Kurdish and Turkish mobs in the Urmia region. After the Russian army retreated, Turkish troops with Kurdish detachments organized mass slaughters of Assyrians, in the Assyrian village of Haftvan, West Azerbaijan, Haftvan 750 men were beheaded and 5,000 Assyrian women were taken to Kurdish harems. Turks and Kurds also slaughtered Christians in Diarbekir. There was a policy during the Hamidian era to use Kurdish tribes as irregulars (Hamidiye units) against the Armenians.


Treaty of Lausanne

The Greek forces who Occupation of Smyrna, occupied Smyrna in the post-war period were defeated in the Turkish War of Independence which ended with the signing of the
Treaty of Lausanne The Treaty of Lausanne (, ) is a peace treaty negotiated during the Lausanne Conference of 1922–1923 and signed in the Palais de Rumine in Lausanne, Switzerland, on 24 July 1923. The treaty officially resolved the conflict that had initially ...
. Under the Population exchange between Greece and Turkey, terms of the peace treaty, 1.3 million Christian residents of Turkey were relocated to Greece and around 400,000 Muslims were likewise moved from Greece to Turkey. When the Turkish state was founded in 1923 the remaining Greek population was estimated to be around 111,000; the Greek Orthodox communities in Istanbul, Gökçeada, and Bozcaada numbering 270,000 were exempted. Other terms of the treaty included various provisions to protect the rights of religious minorities and a concession by the Turks to allow the Greek Orthodox Patriarchate to remain in Istanbul.


Republic of Turkey (1923–present)

The British Broadcasting Corporation (BBC) reported in 2014 that the Christian population of Turkey had declined from 20% to 0.2% since 1914. The U.S. Commission on International Religious Freedom (USCIRF) designated Turkey a "Country of Particular Concern" for
religious freedom Freedom of religion or religious liberty, also known as freedom of religion or belief (FoRB), is a principle that supports the freedom of an individual or community, in public or private, to manifest religion or belief in teaching, practice ...
, noting "systematic limitations on the freedom of religion or belief" with respect to access to places of worship, religious education, and right to train clergy. The report does note some areas of improvement such as better protection of the property rights of Kafir, Non-Muslims. In the pre-war period, Protestantism, Protestant Christian mission, Christian missionaries from North America had been actively involved in the Education in the Ottoman Empire, Ottoman education system. Many of the schools were closed down and suffered under stringent regulations and burdensome taxes during the Secularism in Turkey, secularization of Turkey. Historically, these schools had worked with the Christianity in the Ottoman Empire, Christian communities in the Ottoman Empire, and were regarded with suspicion by the History of the Republic of Turkey, fledgling republic. In 2001, Turkey's National Security Council (Turkey), National Security Council (MGK) reported that it considers Protestantism, Protestant Christian mission, Christian missionaries the third largest threat to Turkey's national security, surpassed only by Islamic fundamentalism and the Kurdish nationalism, Kurdish separatist organization Kurdistan Workers' Party (PKK). A 2004 report by the Turkish Armed Forces (TAF) similarly recommended implementing new laws to curb Christian missionary activities in the country. According to the Turkish Evangelical Churches movement, Turkish Protestant churches had only 3,000 members in 2009—about half of these were former Muslim
converts to Christianity The following is a list of notable people who converted to Christianity from a different religion or no religion. This article addresses only past voluntary professions of faith by the individuals listed, and is not intended to address ethnic, c ...
, while the others were Christian converts from
Armenian Orthodox The Armenian Apostolic Church () is the autocephalous national church of Armenia. Part of Oriental Orthodoxy, it is one of the most ancient Christian churches. The Armenian Apostolic Church, like the Armenian Catholic Church, belongs to the Arme ...
and Syriac Christianity, Syriac Christian churches. Since Turkish people, Turkish nationality was often perceived exclusively as a Muslim identity after the Balkan Wars, the influence of Protestant Christian missionaries on Turkey's Alevism, Alevi population has been a concern since the era of Committee of Union and Progress rule. In 2016, the Association of Protestant Churches in Turkey released a report warning of an increase in
anti-Christian Anti-Christian graffiti from the Alexamenos graffito">Alexamenos worships his god.") Anti-Christian sentiment, also referred to as Christianophobia or Christophobia, is the fear, hatred, discrimination, or prejudice against Christians and/or asp ...
hate speech. Historically, the Christian population of Turkey has been largely peaceful and non-disruptive, with the notable exception of one former Muslim Conversion to Christianity, convert to Christianity who hijacked the Turkish Airlines Flight 1476 in 2006 with the stated intent of flying it to Vatican City, the Vatican to meet the Pope and ask for his help to Draft evasion, avoid serving in the Turkish Armed Forces, which he referred to as a "Islam and war, Muslim army". In 2013, the ''Washington Post'' reported that members of the ruling Justice and Development Party (Turkey), Justice and Development Party had expressed their desires to convert
Hagia Sophia Hagia Sophia (; ; ; ; ), officially the Hagia Sophia Grand Mosque (; ), is a mosque and former Church (building), church serving as a major cultural and historical site in Istanbul, Turkey. The last of three church buildings to be successively ...
into a mosque. Hagia Sophia, which is called ''ayasofya'' in Turkish language, Turkish, is an ancient Christian church dating to 360 AD that was converted into a mosque after
Mehmed II Mehmed II (; , ; 30 March 14323 May 1481), commonly known as Mehmed the Conqueror (; ), was twice the sultan of the Ottoman Empire from August 1444 to September 1446 and then later from February 1451 to May 1481. In Mehmed II's first reign, ...
invaded Fall of Constantinople, Constantinople in 1453. It has been a museum since 1935. Bartholomew I of Constantinople, Patriarch Bartholomew objected to the government's rhetoric, saying "If it is to reopen as a house of worship, then it should open as a Christian church." Also in 2013, the government announced that the 5th-century Monastery of Stoudios, located in Istanbul's Samatya neighborhood, would be converted into a mosque. The monastery, one of Byzantium's most important, was sacked during the Crusades and later served as a mosque for a time, until it was converted to a museum during the 20th century. Today, the Christian population of Turkey is estimated at 203,500–370,000 Christians.Foreign Ministry: 89,000 minorities live in Turkey
/ref> 35,000 Catholic Church, Catholics of varying ethnicities, 25,000 ethnic "Assyrians" (), (mostly followers of the
Syriac Orthodox Church The Syriac Orthodox Church (), also informally known as the Jacobite Church, is an Oriental Orthodox Christian denomination, denomination that originates from the Church of Antioch. The church currently has around 4-5 million followers. The ch ...
, Syriac Catholic Church, the Church of the East, and the Chaldean Catholic Church), 3,000–4,000
Greek Orthodox Greek Orthodox Church (, , ) is a term that can refer to any one of three classes of Christian Churches, each associated in some way with Greek Christianity, Levantine Arabic-speaking Christians or more broadly the rite used in the Eastern Rom ...
, 15,000–18,000 Antiochian Greeks and smaller numbers of Bulgarian Orthodox Church, Bulgarians, Georgian Orthodox Church, Georgians, and Protestantism, Protestant Christians of various ethnicities. Moreover, there is an Turkish people, ethnic Turkish Protestantism in Turkey, Protestant Christian community in Turkey which number about 7,000–8,000 adherents; most of these Christian converts are from Turkish–Muslim background. In 2003, the mainstream Turkish newspaper ''Milliyet'' reported that 35,000 Turkish Apostasy in Islam, former Muslims Conversion to Christianity, had converted to Christianity. According to Bekir Bozdağ, Deputy Prime Minister of Turkey, there were 349 active churches in Turkey in October 2012: 140 Greeks in Turkey, Greek, 58 Assyrians in Turkey, Assyrian, and 52 Armenians in Turkey, Armenian. In 2015, the Government of Turkey, Turkish government gave permission for the Christian channel SAT-7 to broadcast on the government-regulated Turksat (satellite), Türksat satellite. Since the History of the Republic of Turkey, establishment of the modern Republic of Turkey in 1923, a number of high-profile incidents targeting Kafir, Non-Muslims, including
Christians A Christian () is a person who follows or adheres to Christianity, a monotheistic Abrahamic religion based on the life and teachings of Jesus Christ. Christians form the largest religious community in the world. The words '' Christ'' and ''C ...
, have occurred. This includes the
Istanbul pogrom The Istanbul pogrom, also known as the Istanbul riots, were a series of state-sponsored anti-Greek mob attacks directed primarily at Istanbul's Greek minority on 6–7 September 1955. The pogrom was orchestrated by the governing Democrat ...
of 1955, where non-Muslims were attacked and killed, as well as more recent attacks, such as the Assassination of Hrant Dink, assassination of prominent Turkish–Armenian journalist Hrant Dink in 2007, the Zirve Publishing House murders, torture and murder of one German Protestant and two Turkish converts to Christianity in what Turkish media dubbed "the missionary massacres" in the same year, and the killings of Italian Catholic priests, including Andrea Santoro, in 2006 and 2007. In January 2024, two gunmen fatally shot a man during a church service in Istanbul in an attack claimed by the Islamic State (Daesh).


Christian communities

The largest Christian population in Turkey is located in
Istanbul Istanbul is the List of largest cities and towns in Turkey, largest city in Turkey, constituting the country's economic, cultural, and historical heart. With Demographics of Istanbul, a population over , it is home to 18% of the Demographics ...
, which has a large community of Armenians and Greeks. Istanbul is also where the Patriarchate of Greek Orthodox Christianity is located. Antakya, Antioch, located in Turkey's Hatay province, is the original seat of the namesake Antiochian Orthodox Church, but is now the titular see. The area, known for having ethnic diversity and large Christian community, has 7,000 Christians and 14 active churches. The city has one of the oldest churches in the world as well, called the Church of St Peter, which is said to have been founded by Saint Peter, the Saint himself. The
Syriac Orthodox Church The Syriac Orthodox Church (), also informally known as the Jacobite Church, is an Oriental Orthodox Christian denomination, denomination that originates from the Church of Antioch. The church currently has around 4-5 million followers. The ch ...
has a strong presence in Mardin; many Assyrian Christians left during the
late Ottoman genocides The late Ottoman genocides is a historiographical theory which sees the concurrent Armenian, Greek, and Assyrian genocides that occurred during the 1910s–1920s as parts of a single event rather than separate events, which were initiated by the ...
in 1915. Tur Abdin is a large area with a multitude of mostly
Syriac Orthodox The Syriac Orthodox Church (), also informally known as the Jacobite Church, is an Oriental Orthodox denomination that originates from the Church of Antioch. The church currently has around 4-5 million followers. The church upholds the Mia ...
churches, monasteries, and ruins. Settlements in Tur Abdin include Midyat. The Christian community in Midyat is supplemented by a Refugees of the Syrian civil war in Turkey, refugee community from Syria and has four operating churches. Some of the most significant Syriac churches and monasteries in existence are in or near Midyat including Mor Gabriel Monastery and the Saffron Monastery. By the 21st century, Greeks in Turkey, Greek Orthodox Christians in Turkey had declined to only around 2,000–3,000. There are between 40,000 and 70,000 Armenians in Turkey, Armenian Orthodox Christians in Turkey. By some estimates, in the early 2000s there were between 10,000 and 20,000 Catholics and Protestants in Turkey. Since the 1960s, Apostasy in Islam, a growing number of Turkish former Muslims Conversion to Christianity, are converting to Christianity; estimates range from 4,000 to 35,000 by various sources. Martin Kmetec, a Order of Friars Minor Conventual, Conventual Franciscan friar and current Roman Catholic Archdiocese of İzmir, Archbishop of İzmir, stated in an interview with Aid to the Church in Need that Ecumenism, ecumenical relations between Christians are generally good in the country: "In general, our relations with other Christian churches are good. The
Ecumenical Patriarch of Constantinople The ecumenical patriarch of Constantinople () is the List of ecumenical patriarchs of Constantinople, archbishop of Constantinople and (first among equals) among the heads of the several autocephalous churches that comprise the Eastern Orthodox ...
, Bartholomew I of Constantinople, Bartholomew I, for example, has a good relationship with the Focolare Movement and the new Apostolic Vicariate of Istanbul, Apostolic Vicar of Istanbul, Bishop Massimiliano Palinuro. Likewise, here in Roman Catholic Archdiocese of İzmir, İzmir we get together with the Eastern Orthodox Christianity, Orthodox Christians, but also with the Anglicanism, Anglicans, on various Christian feast days. Armenian Apostolic Church, Armenian priests recently celebrated an Armenian Rite, Armenian liturgy at our Catholic Church of St. Polycarp because they do not have their own church in İzmir. We also worked together with the Armenians in Turkey, Armenians in İzmir to open a small book shop for the Bible society, Bible Society. These are promising signs of an ecumenical dialogue."


Churches in Turkey


Armenian Apostolic Church

The Armenian Apostolic Church traces its origins to St. Gregory the Illuminator who is credited with having introduced the Armenian king Tiridates III of Armenia, Tiridates III to Christianity. It is one of the most ancient churches established in the Caucasus and Eastern Anatolia. Historically, the Armenian Church accepted only the first three Ecumenical Councils, rejecting the
Council of Chalcedon The Council of Chalcedon (; ) was the fourth ecumenical council of the Christian Church. It was convoked by the Roman emperor Marcian. The council convened in the city of Chalcedon, Bithynia (modern-day Kadıköy, Istanbul, Turkey) from 8 Oct ...
in 451 AD; its Christology is sometimes described as "Non-Chalcedonianism, non-Chalcedonian" for this reason. The Bible was first translated into the Armenian language by Mesrop Mashtots. The Armenians in Turkey, Armenian Christian community in Turkey is led by the Armenian Patriarchates of Armenian Patriarchate of Constantinople, Istanbul and Armenian Patriarchate of Jerusalem, Jerusalem. estimates of Turkey's Armenian Orthodox population range from between 50,000 and 70,000. There are 35 churches maintained by the religious foundation in Istanbul and its surrounding areas. Besides Surp Asdvadzadzin Patriarchal Church (translation: the Holy Mother-of-God Armenian Patriarchal Church) in Kumkapi, Istanbul, there are tens of Armenian Apostolic churches. There are other churches in Kayseri, Diyarbakır, Derik, İskenderun, and Vakifli Koyu that are claimed by foundations as well. Around 1,000 Armenian churches throughout Turkey sit on public or privately owned land as well, with them all either being re-purposed or abandoned and/or in ruins. * Armenian Catholic Church - There are several Armenian Catholic churches in Istanbul, including a large cemetery. In Mardin one remains as a Museum and occasional religious center. * Armenian Evangelical Church - The Armenian Protestants have three churches in Istanbul from the 19th century.


Autocephalous Turkish Orthodox Patriarchate

The Autocephalous Turkish Orthodox Patriarchate (), also referred to as the Turkish Orthodox Church, is an unrecognized Organization of the Eastern Orthodox Church, Eastern Orthodox Christian denomination based in Turkey. It was founded in Kayseri by Pavlos Karahisarithis, a supporter of the General Congregation of the Anatolian Turkish Orthodox (), in 1922. Pavlos Karahisarithis became the Patriarch of this new Orthodox church, and took the name of Papa Eftim I. He was supported by 72 other Turkish Orthodox clerics. The start of the Patriarchate can be traced to the Greco-Turkish War (1919–1922), Greco-Turkish War (1919–1922). In 1922 a pro-Turkish Eastern Orthodox Christianity, Eastern Orthodox group, the General Congregation of the Anatolian Turkish Orthodox, was set up with the support from the Orthodox bishop of Havza, as well as a number of other congregations representing a genuine movement among the Turkish-speaking, Orthodox Christian population of Anatolia who wished to remain both Orthodox and Turkish. There were calls to establish a new
Patriarchate Patriarchate (, ; , ''patriarcheîon'') is an ecclesiological term in Christianity, referring to the office and jurisdiction of a patriarch. According to Christian tradition, three patriarchates—Rome, Antioch, and Alexandria—were establi ...
with Turkish as the preferred language of Christian worship. In 1924, Karahisarithis started to conduct the Christian liturgy in Turkish language, Turkish, and quickly won support from the History of the Republic of Turkey, establishment of the modern Republic of Turkey, formed after the defeat and dissolution of the Ottoman Empire (1908–1922).Leader of Turkish Nationalist Church Dies
He claimed that the Orthodox Church of Constantinople, Ecumenical Patriarchate of Constantinople was ethnically centered and favored the Greek population. Being Excommunication, excommunicated by the Greek Orthodox Church for claiming to be a bishop while still having a wife and due to the fact that married bishops are not allowed in Eastern Orthodoxy, Karahisarithis, who later changed his name into Zeki Erenerol, called a Turkish ecclesiastical congress, which elected him Patriarch in 1924.


Greek Orthodox Church

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 ...
, capital of the
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 ...
from 330/395 to 1453 AD, became established in the Ecclesiastical polity, ecclesiastical hierarchy at the First Council of Constantinople in 381 AD. The historical origins of the Patriarchate of Constantinople go back to St. Andrew, Metrophanes of Byzantium, Metrophanes and Alexander of Constantinople. Constantinople's primacy over the Patriarchates of Patriarch of Alexandria, Alexandria and Patriarch of Antioch, Antioch was reaffirmed at the Council of Chalcedon in 481, after which the papacy in Rome supported Constantinople in its dispute with Alexandria over monophysitism. Later, when Rome sought to assert its Papal primacy, primacy over Byzantium, the
Eastern Orthodox Church The Eastern Orthodox Church, officially the Orthodox Catholic Church, and also called the Greek Orthodox Church or simply the Orthodox Church, is List of Christian denominations by number of members, one of the three major doctrinal and ...
developed the doctrine of pentarchy as a response. During the 8th and 9th centuries, Byzantium was embroiled in the Iconoclastic persecution. The Photian schism was also 9th century power struggle for the Patriarchate between Ignatios of Constantinople, Ignatios, backed by Pope Nicholas I, and Photios I of Constantinople. The Byzantine Rite is similar to mass in the Catholic Church and the Liturgy of the Hours, Divine Office (cycle of eight non-Mass services in the Catholic faith). In addition to the Horologion, Hours of the Office, the Byzantine Rite is used for the administration of Eastern Orthodox Church#Holy mysteries (sacraments), sacraments; among these are Holy Communion (the most direct connection), baptism, Chrismation, Confession (religion), confession, unction, Marriage in the Eastern Orthodox Church, matrimony, and ordination, as well as Benediction, blessings, Exorcism in Christianity, exorcisms, and other occasions. The three divine liturgies of the Byzantine rite are Divine Liturgy of Saint John Chrysostom, John Chrysostom's, Divine Liturgy of Saint Basil, Basil's, and the Liturgy of the Presanctified Gifts.


Roman Catholic Church

The Catholic Church in Turkey is represented by jurisdictions of Latin Church, Western and Eastern Catholic liturgy, Eastern rites. Though the Armenian Apostolic Church was no longer in union with Rome and Byzantium after the
Council of Chalcedon The Council of Chalcedon (; ) was the fourth ecumenical council of the Christian Church. It was convoked by the Roman emperor Marcian. The council convened in the city of Chalcedon, Bithynia (modern-day Kadıköy, Istanbul, Turkey) from 8 Oct ...
in 451 AD, a number of Armenian Christians have converted to Roman Catholicism over the years. After the Ottoman sultan Mahmud II extended Millet (Ottoman Empire), formal recognition to Roman Catholics, an Armenian Catholic Patriarchate was established in Constantinople. * Latin rite: ** Vicariate Apostolic of Istanbul, with seat in the Cathedral of the Holy Spirit, Istanbul. Basilica: St. Anthony of Padua Church in Istanbul,
Istanbul Istanbul is the List of largest cities and towns in Turkey, largest city in Turkey, constituting the country's economic, cultural, and historical heart. With Demographics of Istanbul, a population over , it is home to 18% of the Demographics ...
. Jurisdiction: Immediately subjected to the Holy See ** Vicariate Apostolic of Anatolia, with seat in the Cathedral of the Annunciation, İskenderun, and Co-Cathedral of St. Anthony of Padua, Mersin. Jurisdiction: Immediately subjected to the Holy See ** Roman Catholic Archdiocese of İzmir, with seat in the St. John's Cathedral, İzmir. * Armenian rite: Armenian Catholic Archdiocese of Istanbul. Cathedral: Holy Mother of God Armenian Cathedral Church, Istanbul. Jurisdiction: Immediately subjected to the Holy See. * Byzantine Rite: Greek Catholic Apostolic Exarchate of Istanbul. Cathedral: Holy Trinity Greek Catholic Cathedral, Istanbul (Ayatriada Rum Katoliki Kilise). Jurisdiction: Immediately subjected to the Holy See. * Syriac Rite: Syrian Catholic Patriarchal Exarchate of Turkey, with seat in Istanbul. Jurisdiction: Subject to the Syriac Catholic Church. * Chaldaean Rite: Chaldean Catholic Archdiocese of Diarbekir. Cathedral: St. Mary's Cathedral, Diyarbakır, but with seat in Holy Trinity Greek Catholic Cathedral, Istanbul, Beyoğlu, Istanbul. Jurisdiction: Chaldean Catholic Church.


Syriac Orthodox Church

The
Syriac Orthodox Church The Syriac Orthodox Church (), also informally known as the Jacobite Church, is an Oriental Orthodox Christian denomination, denomination that originates from the Church of Antioch. The church currently has around 4-5 million followers. The ch ...
, that follows the West Syriac Rite, was present in various southeastern regions of modern Turkey since the early medieval times. Since the 12th century, the patriarchal seat itself was transferred to Mor Hananyo Monastery (Deir al-Za`faran), in southeastern Anatolia near Mardin (modern Turkey), where it remained until 1924. In modern times, active churches are located in
Istanbul Istanbul is the List of largest cities and towns in Turkey, largest city in Turkey, constituting the country's economic, cultural, and historical heart. With Demographics of Istanbul, a population over , it is home to 18% of the Demographics ...
, Diyarbakır, Adıyaman, and Elazığ. There are many both active and inactive churches in the traditionally Assyrian area of Tur Abdin, which is a region centered in the western area of Mardin Province, and has areas that go into Şırnak Province, Şırnak, and Batman Province. Up until the 1980s the Syriac population was concentrated there as well, but a large amount of the population has fled the region to Istanbul or abroad due to the Kurdish-Turkish conflict (1978–present), Kurdish-Turkish conflict. The Church structure is still organized however, with 12 reverends stationed in churches and monasteries there. Churches were also in several other provinces as well, but during the Seyfo the churches in those churches were destroyed or left ruined. In modern times, Syriac Orthodox Church hase these provinces in Turkey: * Patriarchal Vicariate of
Istanbul Istanbul is the List of largest cities and towns in Turkey, largest city in Turkey, constituting the country's economic, cultural, and historical heart. With Demographics of Istanbul, a population over , it is home to 18% of the Demographics ...
and Ankara under the spiritual guidance and direction of Archbishop Filüksinos Yusuf Çetin. * Patriarchal Vicariate of Mardin under the spiritual guidance and direction of Archbishop Filüksinos Saliba Özmen. * Patriarchal Vicariate of Turabdin under the spiritual guidance and direction of Archbishop Timotheus Samuel Aktaş. * Archbishopric of Adıyaman under the spiritual guidance and direction of Archbishop Gregorius Melki Ürek.


Church of the East

Historical Church of the East, that followed the East Syriac Rite, was present in various southeastern regions of modern Turkey throughout Middle Ages, medieval and Early modern period, early modern times, and the continuation of that presence is embodied in the modern Assyrian Church of the East, and the Ancient Church of the East. Ecclesiastical structure of East Syriac Christianity in the region was almost completely wiped out in the
Assyrian genocide The Sayfo (, ), also known as the Seyfo or the Assyrian genocide, was the mass murder and deportation of Assyrian/Syriac Christians in southeastern Anatolia and Persia's Azerbaijan province by Ottoman forces and some Kurdish tribes during ...
. Originally, one of its main centers was in the region of Hakkari (historical region), Hakkari, in the village of Qodchanis, that was the seat of Shimun-line patriarchs from the 17th century up to the advent of modern times. Patriarch Mar Dinkha IV of the Assyrian Church of the East visited Turkey in 2012.


Protestant churches

Armenian Protestants own 3 churches in Istanbul since the 19th century. There is an Alliance of Protestant Churches in Turkey. There are Protestant churches for foreigners in compounds and resorts, although they are not counted in lists of churches as they are used only by tourists and expatriates.


Church of England

Anglicanism, Anglicans in Turkey form part of the Eastern Archdeaconry of the Diocese of Gibraltar in Europe. In 2008 the Anglican bishop of Europe, Geoffrey Rowell, caused controversy by ordaining a local man to minister to Turkish-speaking Anglicans in Istanbul.


Evangelical churches

The Armenian Evangelical Church was founded in 1846, after Patriarch Matteos Chouhajian excommunicated members of the "Pietisical Union" who had started to raise questions about a possible conflicts between the Christian Bible, Biblical scriptures and Sacred traditions. The new church was recognized by the Ottoman government in 1850 after encouragement from the British Ambassador Henry Wellesley Cowley. There were reportedly 15 Turkish converts in Constantinople in 1864. One church minister said "We wanted the Turks first to become Armenian". Hagop A. Chakmakjian commented that "the implication was that to be Christian meant to be identified with the Armenian people".


The Church of Jesus Christ of Latter-day Saints

Recognizing that present-day
Ephesus Ephesus (; ; ; may ultimately derive from ) was an Ancient Greece, ancient Greek city on the coast of Ionia, in present-day Selçuk in İzmir Province, Turkey. It was built in the 10th century BC on the site of Apasa, the former Arzawan capital ...
of the New Testament endowed Turkey with historical importance, early leaders of the The Church of Jesus Christ of Latter-day Saints, LDS Church preached in Ottoman Turkey in 1850, and—with the help of British LDS soldiers—organized a congregation in
Istanbul Istanbul is the List of largest cities and towns in Turkey, largest city in Turkey, constituting the country's economic, cultural, and historical heart. With Demographics of Istanbul, a population over , it is home to 18% of the Demographics ...
in 1854. In 1979, another The Church of Jesus Christ of Latter-day Saints in Turkey, local community of LDS adherents was organized in Ankara.


List of church buildings in Turkey


Churches of the Armenian rite


Churches of the Byzantine and Greek Orthodox rite


Catholic churches


Churches of the Georgian rite


Protestant churches


Anglican churches


Other churches


Churches of the Syriac rite


List of settlements


Istanbul Istanbul is the List of largest cities and towns in Turkey, largest city in Turkey, constituting the country's economic, cultural, and historical heart. With Demographics of Istanbul, a population over , it is home to 18% of the Demographics ...


Significant Christian population

* Balat, Fatih * Fener, Fatih * Moda, Kadıköy


Hatay Province, Hatay


Majority Christian population

* Vakıflı, Samandağ


Mardin Province, Mardin


Majority Christian population

* Anıtlı, Midyat * Beth Kustan, Midyat * Elbeğendi, Midyat * Gülgöze, Midyat * Taşköy, Nusaybin * Üçköy, Nusaybin * Üçyol, Nusaybin * Dağiçi, Nusaybin * Bülbül, Yeşilli * Dereiçi, Savur * Çatalçam, Dargeçit


Significant Christian population

* Altıntaş, Midyat * Bardakçı, Midyat * Barıştepe, Midyat * Budaklı, Midyat * Doğançay, Midyat, Doğançay * Güngören, Midyat * İzbırak, Midyat * Narlı, Midyat * Mercimekli, Midyat * Ortaca, Midyat * Yemişli, Midyat * Dibek, Nusaybin * Odabaşı, Nusaybin * Girmeli, Nusaybin * Günyurdu, Nusaybin


Şırnak Province, Şırnak


Majority Christian population

* Öğündük, İdil * Haberli, İdil * Kösreli, Silopi * Aksu, Silopi * Cevizağacı, Beytüşşebap


See also

* Catholic Church in Turkey * Christianity and Islam * Christianity in Cyprus * Christianity in the Ottoman Empire * Eastern Orthodoxy in Turkey * Freedom of religion in Turkey * Human rights in the Middle East * Human rights in Muslim-majority countries#Turkey * Human rights in Turkey#Freedom of religion * Irreligion in Turkey * Islam and other religions * Islam in Turkey * Karamanlides, a Turkish-speaking Greek Orthodox community ** Autocephalous Turkish Orthodox Patriarchate * Nestorian rebellion * Persecution of Christians, Persecution of Christians in the Muslim world * Protestantism in Turkey * Religion in the Middle East * Religion in Turkey * Religious minorities in Turkey ** Armenians in Turkey ** Assyrians in Turkey ** Greeks in Turkey ** History of the Jews in Turkey, Jews in Turkey ** Kurds in Turkey ** Yazidism in Turkey, Yazidis in Turkey * Secularism in Turkey * Xenophobia and discrimination in Turkey * Xenophobia and racism in the Middle East


References


Sources

* * * * * * * * * * * * * * *


Further reading

* * * *


External links


Arestakes Simavoryan, CHRISTIANS IN TODAY’S TURKEY
(Protestants and Catholics)
Turkish Christians Network
{{Asia in topic, Christianity in Christianity in Turkey,