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
Eastern Macedonia and Thrace and weight of the five now abolished prefectures, Drama, Evros, Kavala, Rhodope and Xanthi. In this special case, the region of Eastern Macedonia and Thrace also succeeds the intermediate structure of the two super-prefectures of Drama-Kavala-Xanthi and of Rhodope-Evros into which the five prefectures had been grouped since 1994. Capital of the region is Komotini, which by population is the fourth largest city, following Alexandroupoli, Kavala and Xanthi. The region is divided into the Macedonian regional units of Drama, Kavala and Thasos and the Thracian regional units of Xanthi, Rhodope and Evros, which coincide with the territory of the former