The Convention Concerning the Exchange of Greek and Turkish Populations was an agreement between the Greek

Greece

Greece , officially the Hellenic Republic , and historically Hellas or the Republic of Greece in English, is a country in southeastern Europe....

 and Turkish

Turkey

Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

 governments signed in Lausanne

Lausanne

Lausanne is a city in Romandy, the French-speaking part of Switzerland, and is the capital of the canton of Vaud. The seat of the district of Lausanne, the city is situated on the shores of Lake Geneva . It faces the French town of Évian-les-Bains, with the Jura mountains to its north-west...

 on January 30, 1923, in the aftermath of the Greco-Turkish War of 1919–1922. The agreement provided for the simultaneous expulsion

Population exchange between Greece and Turkey

The 1923 population exchange between Greece and Turkey was based upon religious identity, and involved the Greek Orthodox citizens of Turkey and the Muslim citizens of Greece...

 of Christians from Turkey to Greece and of Moslems from Greece to Turkey. It was ratified by the Turkish government on August 23, 1923 and by the Greek government on August 25, 1923, after the conclusion of the Treaty of Lausanne

Treaty of Lausanne

The Treaty of Lausanne was a peace treaty signed in Lausanne, Switzerland on 24 July 1923, that settled the Anatolian and East Thracian parts of the partitioning of the Ottoman Empire. The treaty of Lausanne was ratified by the Greek government on 11 February 1924, by the Turkish government on 31...

. It was registered in League of Nations Treaty Series on January 27, 1925.

Terms

• Article 1 provided for a compulsory removal of Greek Orthodox persons from Turkey to Greece and Moslems from Greece to Turkey, to begin on May 1, 1923.
• Article 2 exempted from removal the Greeks of the city of Constantinople
  Constantinople
  Constantinople was the capital of the Roman, Eastern Roman, Byzantine, Latin, and Ottoman Empires. Throughout most of the Middle Ages, Constantinople was Europe's largest and wealthiest city.-Names:...
  
   as well as the Moslems of Western Thrace
  Western Thrace
  Western Thrace or simply Thrace is a geographic and historical region of Greece, located between the Nestos and Evros rivers in the northeast of the country. Together with the regions of Macedonia and Epirus, it is often referred to informally as northern Greece...
  
  .
• Article 3 stipulated that those Moslems who already left Greece and Greek Orthodox who already left Turkey shall be considered as having moved as part of the population exchange.
• Article 4 stipulated the exchange shall start with able-bodied Greek men located in Turkey.
• Article 5 guaranteed the rights of property of all persons removed under the agreement.
• Article 6 stipulated that persons eligible for removal who were under arrest or in prison for various crimes, shall be removed notwithstanding, and shall serve their sentences in their new country.
• Article 7 provided for granting each person removed the nationality of his new country.
• Article 8 provided for the removal of property along with its owners.
• Article 9 stipulated for the establishment of a mixed commission to dispose of immovable property left behind by persons removed.
• Articles 10-17 regulated the work of the commission.
• Article 18 obliged the Greek and Turkish governments to make all the necessary changes in internal legislation to conform to the agreement.
• Article 19 stipulated that the agreement shall enter into effect on the same day as the planned peace treaty to be signed with the Turkish government.