Border history · 1886–2023

Bulgaria borders over time

CShapes records 4 changes to the borders of Bulgaria between 1886 and 2023. It was independent for the whole period. Its territory covers 111,020 km², more than the 93,162 km² it covered in 1886. The largest single change came on August 10, 1913, when it gained about 18,387 km².

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Border changes
4
Area today
111,020 km²
Largest change
+18,387 km² (1913)
Status
Independent
September 7, 1940 – presentChoose a period to see its borders. The dashed line is the period before.

Timeline of Bulgaria's borders

Each period is one border version in CShapes, with its area and the change from the period before.

  1. January 1, 1886 – August 9, 1913

    93,162 km²First recorded versionIndependentWorld map in 1886

  2. August 10, 1913 – May 6, 1918

    111,549 km²+18,387 km²IndependentWorld map in 1914

  3. May 7, 1918 – November 26, 1919

    119,236 km²+7,687 km²IndependentWorld map in 1918

  4. November 27, 1919 – September 6, 1940

    103,333 km²−15,903 km²IndependentWorld map in 1920

  5. September 7, 1940 – present

    111,020 km²+7,687 km²IndependentWorld map in 1941

What changed

Independence, transfers between rulers, and border changes recorded for this country.

  1. Bulgaria gains about 18,387 km² of territory.
  2. Bulgaria gains about 7,687 km² of territory.
  3. Bulgaria loses about 15,903 km² of territory.
  4. Bulgaria gains about 7,687 km² of territory.