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Treaty of Bucharest
Balkan Wars Boundaries.jpg
Borders of the Balkan states after the Treaty of Bucharest (below)
Signed 10 August 1913
Location Bucharest, Romania
Parties  Kingdom of Bulgaria
 Kingdom of Romania
 Kingdom of Serbia
 Kingdom of Greece
 Kingdom of Montenegro

The Treaty of Bucharest (Romanian language: Tratatul de la Bucureşti

Serbian language
Bukureštanski mir/ Букурештански мир; Bulgarian language: Договорът от Букурещ
Greek: Συνθήκη του Βουκουρεστίου) was concluded on 10 August 1913, by the delegates of Bulgaria, Romania, Serbia, Montenegro and Greece.[1] The Treaty was concluded in the aftermath of the Second Balkan War and amended the previous Treaty of London, which ended the First Balkan War. About one month later, the Bulgarians signed a separate border treaty (the Treaty of Constantinople) with the Ottomans, who had regained some territory west of the Enos-Midia Line during the second war.


Photo of the delegations to the peace conference

Bulgaria, dissatisfied with its gains in the First Balkan War, and especially with Greek and Serbian gains in Macedonia, launched an attack on its former allies in June 1913. The attacks were driven back, and the Greek and Serbian armies invaded Bulgarian-held territory in return. At the same time, the Ottomans advanced into Eastern Thrace and retook Adrianople, while Romania used the opportunity to invade Bulgaria from the north and advance against little opposition to within a short distance of the Bulgarian capital, Sofia. Isolated and surrounded by a more powerful coalition of opponents, Bulgaria was forced to agree to a truce and to peace negotiations to be held in the Romanian capital, Bucharest.

All important arrangements and concessions involving the rectification of the controverted international boundary lines were perfected in a series of committee meetings, incorporated in separate protocols, and formally ratified by subsequent action of the general assembly of delegates. Although the Ottomans had also participated in the Second Balkan War, they were not represented at this treaty. Instead, bilateral treaties were later concluded with Bulgaria (Treaty of Constantinople) and Greece (Treaty of Athens).

Gains in territory


The eastern frontier of Serbia was drawn from the summit of Patarika, on the old frontier, and followed the watershed between the Vardar and the Struma rivers to the Greek-Bulgarian boundary, except that the upper valley of the Strumica remained in the possession of Bulgaria. The territory thus obtained embraced central Vardar Macedonia, including Ohrid, Štip, Kočani and Bitola in present-day Republic of Macedonia. By this arrangement, Serbia increased its territory from 48,300 to 87,780 km2 and its population by more than 1.5 million.[2]


The boundary line separating Greece from Bulgaria was drawn from the crest of Belasica to the mouth of the Mesta (Nestos), on the Aegean Sea. This important territorial concession, which Bulgaria resolutely contested, in compliance with the instructions embraced in the notes which the Russian Empire and Austria-Hungary presented to the conference, increased the area of Greece from 64,790 to 108,610 km2 and its population from 2,660,000 to 4,363,000.[3]

The territory thus annexed included large parts of Epirus and Macedonia, including Thessaloniki. The Greek-Bulgarian border was moved eastwards to beyond Kavala, thus restricting the Aegean seaboard of Bulgaria to an inconsiderable extent of 110 km, with only Dedeagach (modern Alexandroupoli) as a seaport. In addition, Crete was definitively assigned to Greece and was formally taken over on 14 December that year. Within this region was also Florina.[4]


Punch cartoon on the treaty: King Carol I of Romania holds King Peter I of Serbia and King Constantine I of Greece at gunpoint while he steals Southern Dobruja from Tsar Ferdinand I of Bulgaria.

Bulgaria's share of the spoils, although greatly reduced, was not entirely negligible. Its net gains in territory, which embraced a portion of Macedonia, Pirin Macedonia (or Bulgarian Macedonia), including the town of Strumica, Western Thrace, and 110 km of the Aegean littoral, were about 25,030 km2, and its population was increased by 129,490.[5]

In addition, Bulgaria agreed to dismantle all existing fortresses and bound itself not to construct forts at Rousse or Shumen or in any of the territory between these two cities, or within a radius of 20 kilometers around Balchik.


Bulgaria ceded to Romania Southern Dobruja, lying north of a line extending from the Danube just above Tutrakan (Turtucaia) to the western shore of the Black Sea, south of Ekrene (Ecrene); Southern Dobruja has an approximate area of 6,960 km2, a population of 286,000, and includes the fortress of Silistra and the cities of Tutrakan on the Danube and Balchik (Balcic) on the Black Sea.[6]


According to Anderson and Hershey, the severe terms imposed on Bulgaria contrasted the ambitions of its government upon the entry into the Balkan War: the territory eventually gained was relatively circumscribed; Bulgaria had failed to gain Macedonia, populated generally with ethnic Bulgarians, which was its avowed purpose in entering the war, and especially the districts of Ohrid and Bitola, which had been a main demand. With only a small outlet to the Aegean around the minor port of Dedeagach, the country had to abandon its project of Balkan hegemony.[7]

According to Anderson and Hershey, a winner and triumphant after the acquisition of Thessaloniki and most of Macedonia up to and including the port of Kavala, Greece still had outstanding issues.[8] Italy was opposed to Greek claims to Northern Epirus, and controlled the Greek-inhabited Dodecanese islands. In addition, the status quo of the islands of the Northeastern Aegean, which Greece had taken from the Ottomans, remained undetermined until February 1914, when the Great Powers recognized Greek sovereignty over them. Tensions with the Ottomans remained high, however, in the face of persecutions of Anatolian Greeks, leading to a crisis and a naval race in summer 1914 that was stopped only by the outbreak of World War I. At the end of the war, Greece still had claims to territories inhabited, at the time, by some 3 million Greeks.


  1. Anderson and Hershey, p. 439
  2. Anderson and Hershey, p. 439
  3. Anderson and Hershey, pp. 439-440
  4. Anderson and Hershey, p. 440
  5. Anderson and Hershey, p. 440
  6. Anderson and Hershey, p. 439
  7. Anderson and Hershey, p. 440
  8. Anderson and Hershey, p. 440


Further reading

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