The Upper Thracian Plain ( bg, Горнотракийска низина, ''Gornotrakiyska nizina'') constitutes the northern part of the historical region of

Thrace Thrace (; el, Θράκη, Thráki; bg, Тракия, Trakiya; tr, Trakya) or Thrake is a geographical and historical region in Southeast Europe, now split among Bulgaria, Greece, and Turkey, which is bounded by the Balkan Mountains to ...

. It is located in southern

Bulgaria Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Macedo ...

, between Sredna Gora mountains to the north and west, a secondary

mountain chain A mountain chain is a row of high mountain summits, a linear sequence of interconnected or related mountains,Whittow, John (1984). ''Dictionary of Physical Geography''. London: Penguin, p 87. . or a contiguous ridge of mountains within a larger ...

parallel to the main

Balkan Mountains The Balkan mountain range (, , known locally also as Stara planina) is a mountain range in the eastern part of the Balkan Peninsula in Southeastern Europe. The range is conventionally taken to begin at the peak of Vrashka Chuka on the border bet ...

; the Rhodopes, Sakar and Strandzha to the south; and the

Black Sea The Black Sea is a marginal mediterranean sea of the Atlantic Ocean lying between Europe and Asia, east of the Balkans, south of the East European Plain, west of the Caucasus, and north of Anatolia. It is bounded by Bulgaria, Georgia, Rom ...

to the east. A fertile agricultural region, the Upper Thracian Plain proper has an area of and an average elevation of . The plain is part of

Northern Thrace Northern Thrace or North Thrace ( bg, Северна Тракия, as opposed to Western Thrace and East Thrace to the south; tr, Kuzey Trakya; el, Βόρεια Θράκη), also called Bulgarian Thrace, constitutes the northern and largest pa ...

. The climate is transitional continental. The highest temperature recorded in Bulgaria occurred here: it was at

Sadovo Sadovo ( bg, Садово ) is a small town in Sadovo Municipality, Plovdiv Province, central Bulgaria, and the administrative center of Plovdiv. The population is 2,600. Geography The city is close to the Maritsa River, 18 kilometers east of ...

in 1916. The precipitation is a year. Important rivers are the Maritsa and its tributaries,

Arda Arda or ARDA may refer to: Places *Arda (Maritsa), a river in Bulgaria and Greece * Arda (Italy), a river in Italy * Arda (Douro), a river in Portugal *Arda, Bulgaria, a village in southern Bulgaria * Arda, County Fermanagh, a townland in County ...

, Tundzha, Stryama, Topolnitsa, and Vacha. Important cities include

Plovdiv Plovdiv ( bg, Пловдив, ), is the second-largest city in Bulgaria, standing on the banks of the Maritsa river in the historical region of Thrace. It has a population of 346,893 and 675,000 in the greater metropolitan area. Plovdiv is the ...

Burgas Burgas ( bg, Бургас, ), sometimes transliterated as ''Bourgas'', is the second largest city on the Bulgarian Black Sea Coast in the region of Northern Thrace and the fourth-largest in Bulgaria after Sofia, Plovdiv, and Varna, with a pop ...

Stara Zagora Stara Zagora ( bg, Стара Загора, ) is the sixth-largest city in Bulgaria, and the administrative capital of the homonymous Stara Zagora Province. Name The name comes from the Slavic root ''star'' ("old") and the name of the medieva ...

, Pazardzhik,

Asenovgrad Asenovgrad ( bg, Асеновград ) is a town in central southern Bulgaria, part of Plovdiv Province. It is the largest town in Bulgaria that is not a province center. Previously known as ''Stanimaka'' (; el, Στενήμαχος), it was ...

, Haskovo, Yambol and

Sliven Sliven ( bg, Сливен ) is the eighth-largest city in Bulgaria and the administrative and industrial centre of Sliven Province and municipality in Northern Thrace. Sliven is famous for its heroic Haiduts who fought against the Ottoman Turk ...

References

* Geography of Thrace Plains of Bulgaria Landforms of Plovdiv Province Landforms of Haskovo Province Landforms of Burgas Province Landforms of Stara Zagora Province Landforms of Pazardzhik Province Landforms of Yambol Province Landforms of Sliven Province Northern Thrace {{bulgaria-geo-stub