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
Northern Thrace Northern Thrace Northern Thrace or North Thrace (, ) (as opposed to Western Thrace and East Thrace to the south) constitutes the northern and the largest part of the historical region of Thrace. Bulgarian Thrace is located in Southern Bulgaria and refers to the whole territory south of the Balkan Mountains and east of the Mesta River; to the Greek and Turkish borders in south and to the Black Sea in east. It encompasses Sredna Gora, the Upper Thracian Plain and 90% of the Rhodopes. The climate differs from continental to transitional continental and mountainous. The highest temperature recorded in