Treaty of Lausanne in the context of "Kingdom of Yugoslavia"

The Greeks in Turkey constitute a small population of Greek and Greek-speaking Eastern Orthodox Christians who mostly live in Istanbul, as well as on the two islands of the western entrance to the Dardanelles: Imbros and Tenedos (Turkish: Gökçeada and Bozcaada). Greeks are one of the four ethnic minorities officially recognized in Turkey by the 1923 Treaty of Lausanne, together with Jews, Armenians, and Bulgarians.

They are the remnants of the estimated 200,000 Greeks who were permitted under the provisions of the Convention Concerning the Exchange of Greek and Turkish Populations to remain in Turkey following the 1923 population exchange, which involved the forcible resettlement of approximately 1.2 million Greeks from Anatolia and East Thrace and of half a million Turks from all of Greece except for Western Thrace. After years of persecution (e.g. the Varlık Vergisi, the Istanbul Pogrom and the 1964 expulsion of Istanbul Greeks), emigration of ethnic Greeks from the Istanbul region greatly accelerated, reducing the Greek minority population from 119,822 before the 1955 pogrom to about 7,000 by 1978. The 2008 figures released by the Turkish Foreign Ministry places the current number of Turkish citizens of Greek descent at the 3,000–4,000 mark.However, according to the Human Rights Watch the Greek population in Turkey is estimated at 2,500 in 2006. The Greek population in Turkey is collapsing as the community is now far too small to sustain itself demographically, due to emigration, much higher death rates than birth rates and continuing discrimination.

Christianity in Turkey has a long history, dating back to the early origins of Christianity in Asia Minor and the Middle East during the 1st century AD. In modern times the percentage of Christians in Turkey has declined from 20 to 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 Armenian genocide, Greek genocide, and Assyrian genocide, the population exchange between Greece and Turkey, 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 tax levied on non-Muslim citizens in Turkey and the 1955 Istanbul pogrom against Greek and Armenian Christians. Exact numbers are difficult to estimate, as many Turkish former Muslim converts to Christianity often hide their Christian faith for fear of familial pressure, religious discrimination, and persecution.

This was due to events which had a significant impact on the country's demographic structure, such as the First World War, the anti-Christian genocides of Greeks, Armenians, and Assyrians perpetrated by Turkish Muslims, and the population exchange between Greece and Turkey, and the emigration of persecuted Christians (such as Assyrians, Greeks, Armenians, etc.) to foreign countries (mostly in Europe and the Americas) 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 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.

Karasi Sanjak, (Turkish: Karesi Sancağı; c. 1341–1922) was one of the first sanjaks of the Ottoman Empire established around 1341 and disestablished after signing the Treaty of Lausanne.

Despite being established in 1341, the Sanjak first only existed in name, not holding any lands until the Ottoman conquest of the Beylik of Karasi in 1361.

Vergina (Greek: Βεργίνα, Vergína [verˈʝina]) is a small town in Northern Greece, part of the Veria municipality in Imathia, Central Macedonia. Vergina was established in 1922 in the aftermath of the population exchanges after the Treaty of Lausanne and was a separate municipality until 2011, when it was merged with Veroia under the Kallikratis Plan.

Vergina is best known as the site of ancient Aigai (Ancient Greek: Αἰγαί, Aigaí, Latinized: Aegae), the first capital of Macedon. In 336 BC Philip II was assassinated in Aigai's theatre and his son, Alexander the Great, was proclaimed king. While the resting place of Alexander the Great is unknown, researchers uncovered three tombs at Vergina in 1977 – referred to as tombs I, II and III.

The Italo-Turkish War (Turkish: Trablusgarp Savaşı, "Tripolitanian War", Italian: Guerra di Libia, "War of Libya"), also known as the Turco-Italian War, was fought between the Kingdom of Italy and the Ottoman Empire from 29 September 1911 to 18 October 1912. As a result of this conflict, Italy captured coastal areas of the Ottoman Tripolitania Vilayet, of which the main sub-provinces were Fezzan (Turkish: Fizan), Cyrenaica (Turkish: Sirenayka), and Tripoli (Turkish: Trablusgarp) itself. These territories became the colonies of Italian Tripolitania and Cyrenaica, which would later merge into Italian Libya.

During the conflict, Italian forces also occupied the Dodecanese islands in the Aegean Sea. In the 1912 Treaty of Ouchy, which ended the war and gave Italy the possession of Libya, the Italians agreed to return the Dodecanese to the Ottoman Empire. However, the vagueness of the text, combined with subsequent adverse events unfavourable to the Ottoman Empire (the outbreak of the Balkan Wars and World War I), allowed a provisional Italian administration of the islands, and Turkey eventually renounced all claims on these islands in Article 122 of the Treaty of Sèvres (1920), confirmed by Article 15 of the 1923 Treaty of Lausanne.

Religion in Turkey consists of various religious beliefs. While Turkey is officially a secular state, numerous surveys all show that Islam is the country's most common religion. According to the state, 99.8% of the population is initially registered as Muslim. The remaining 0.2% are Christians and adherents of other officially recognised religions such as Judaism. However, because the government registers everyone as Muslim at birth by default, the official statistics can be misleading. There are many people who follow other religions or do not adhere to any religion, yet they are officially classified as 'Muslim' in official records unless they make a contrary claim. These records can be changed or even blanked out on the request of the citizen using a valid electronic signature to sign the electronic application. According to a 2025 report from Pew Research Center, 95% of Turkey self-identified as Muslim. A significant percentage of those are non-observing Cultural Muslims.

Turkey has officially been a secular country since its 1924 constitution was amended in 1928. This was later strengthened and entrenched with the wider appliance of laicism by founder Atatürk during the mid-1930s, as part of the Republican reforms. Strict regulations on religion, including a ban on Islamic attire, were imposed. The rights of Armenian Apostolic, Greek Orthodox, and Jewish citizens were recognized under the Treaty of Lausanne.

Kayaköy (also: Kaya or Livissi) is a neighbourhood of the municipality and district of Fethiye, Muğla Province, Turkey. In 2022, its population was 975. Situated 8 km south of Fethiye, it is mostly abandoned. It was anciently known in Greek as Karmylessos (Ancient Greek: Καρμυλησσός), shortened to Lebessos (Ancient Greek: Λεβέσσος) and pronounced in Modern Greek as Leivissi (Greek: Λειβίσσι). From Ancient Greek the town name shifted to Koine Greek by the Roman period, evolved into Byzantine Greek in the Middle Ages, and finally became the Modern Greek name still used by its townspeople before their final evacuation in 1923.

In late antiquity the inhabitants of the region had become Christian and, following the East-West Schism with the Church of Rome in 1054 AD, they came to be called Greek Orthodox Christian. These Greek-speaking Christian subjects, and their Turkish-speaking Muslim Ottoman rulers, lived in relative harmony from the end of the turbulent Ottoman conquest of the region in the 14th century until the early 20th century. Following the Greco-Turkish War of 1919–1922, and the subsequent Treaty of Lausanne in 1923, the town's Greek Orthodox residents were exiled from Livissi.

The Muslim minority of Greece is the only explicitly recognized minority in Greece. It numbered 97,605 (0.91% of the population) according to the 1991 census, and unofficial estimates ranged up to 140,000 people or 1.24% of the total population, according to the United States Department of State.

Like other parts of the southern Balkans that experienced centuries of Ottoman rule, the Muslim minority of mainly Western Thrace in Northern Greece consists of several ethnic groups, some being Turkish speaking and some Bulgarian-speaking Pomaks, while others descend from Ottoman-era Greek converts to Islam and also Muslim Romas. While the legal status of the Muslim minority in Greece is enshrined in international law, namely the 1923 Treaty of Lausanne, which also governs the status of the "Greek inhabitants of Constantinople" (the only group of the indigenous Greek population in Turkey that was exempt from forced expulsion under the Convention Concerning the Exchange of Greek and Turkish Populations, along with that of the islands of Imbros and Tenedos under Article 14 of the Treaty), precise definitions pertaining thereto and scope of applicability thereof remain contested between the two countries.