Western Thrace Montenegro) fought against the Ottoman Empire and annexed most of its European territory, including Thrace. Western Thrace was occupied by Bulgarian troops who defeated the Ottoman army. On November 15, 1912 on the right bank of the river Maritza Macedonian-Adrianopolitan Volunteer Corps captured the Turkish corps of Yaver Paha, which defends the Eastern Rhodopes and Western Thrace from invading Bulgarians. The victors quickly fell into dispute on how to divide the newly conquered lands, resulting in the Second Balkan War. In August 1913 Bulgaria was defeated, but gained Western Thrace under the terms of the Treaty of Bucharest. In the
Population exchange between Greece and Turkey Minor population. To this day, Greece and Turkey still have properties, and even villages such as Kayaköy, that have been left abandoned since the exchange. 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 involved at least 1.6 million people (1,221,489 Greeks from Asia Minor, Eastern Thrace, the Pontic Alps and the Caucasus, and 355,000 Muslims in Greece), most of whom were forcibly made refugees