Flag of Bulgaria
Bulgaria’s flag has three equal horizontal stripes of white, green and red, white at the top, as the constitution describes it. The flag law gives the colours no meaning; Store norske leksikon says the white is said to stand for freedom and peace, the green for the country’s fertile land and the red for the blood shed for its liberation.
Easily confused with
How to read it
Article 166 of the constitution of 1991 says the flag is a tricolour, white, green and red from the top, placed horizontally. The Law on the State Seal and the National Flag of 24 April 1998 calls it a national symbol that expresses the independence and sovereignty of the Bulgarian state, with stripes of equal size. Its annex makes the flag 3 by 5, in standard sizes from 18 × 30 cm (7 × 12 in) to 129 × 215 cm (51 × 85 in), and fixes the colours: white of at least 80 per cent whiteness, green Pantone textile 17-5936 TC and red 18-1664 TC. A paper flag for mass events is printed in Pantone 347 U green and 032 U red, and the standard colour samples are kept at the Bulgarian Institute of Metrology. Flags on Bulgarian ships at sea and on rivers are 2 by 3. The same flag is the national, merchant and state flag, Store norske leksikon says; it was adopted on 16 April 1879.
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Telling it from the Hungarian and Italian flags
Hungary’s flag has the same three colours in horizontal stripes of equal width, but in another order: red, white and green from the top, under Hungary’s Fundamental Law. On Bulgaria’s the white is at the top and the green in the middle. Italy’s flag is green, white and red in three vertical bands. Iran’s is horizontal too, green, white and red from the top, with its red emblem in the middle of the white.
Why the middle stripe is green
The flag was adopted on 16 April 1879, after the war between Russia and the Ottoman Empire left Bulgaria self-governing, and it was inspired by Russia’s flag, Store norske leksikon says; but the country had to give up the Pan-Slavic colours and make the middle stripe green instead of blue. Russia’s flag is white, blue and red. From 1947 to 27 November 1990 the people’s republic put the state emblem on the white stripe next to the pole.
Read next
- Next in European flagsFlag of the Czech RepublicThe Czech flag is white over red with a blue wedge from the pole reaching to the middle of the flag. No law gives it a meaning, and the Czech foreign ministry says the state colours have no symbolism of their own; white and red were the colours of the old Kingdom of Bohemia, Store norske leksikon says, and what the blue stands for is disputed.
- The same shape in African flagsFlag of AngolaAngola’s flag is red over black with a yellow emblem in the centre: part of a cogwheel, a machete and a five-pointed star. Its constitution says the red is the blood shed by Angolans under colonial oppression, in the liberation struggle and in defence of the country, and the black is the African continent; the cogwheel stands for workers and industry, the machete for peasants, farming and the armed struggle, the star for international solidarity and progress, and their yellow for the country’s wealth.
More european flags
The same shape elsewhere
Browse symbols drawn with lines or squares and rectangles.
Sources
- Bulgaria 1991 (rev. 2015) Constitution, Constitution of the Republic of Bulgaria of 1991 (rev. 2015), Articles 164–166 (English translation), Constitute Project, Article 166
- Закон за държавния печат и националното знаме на Република България, Law on the State Seal and the National Flag of the Republic of Bulgaria (State Gazette No. 47 of 24 April 1998, as amended to 2018), Article 15 and Annex 2 (consolidated text, Ciela Norma), Ciela Norma, Article 15; Annex 2, points 1.1–1.3
- Символи на държавната власт (Президент на Република България), President of the Republic of Bulgaria, “Symbols of state power”, with extracts from the flag law, President of the Republic of Bulgaria, Знаме на Република България
- Bulgarias flagg og våpen (Store norske leksikon), Lars Roede, “Bulgarias flagg og våpen”, Store norske leksikon, updated 20 May 2026, Store norske leksikon, Article text; Flagget
- Hungary 2011 (rev. 2016) Constitution, The Fundamental Law of Hungary of 2011 (rev. 2016), Article I (English translation), Constitute Project, Article I
- Constitution of Italy (Constitute Project), Constitution of the Italian Republic, 1947 (rev. 2020), art. 12, English translation, Constitute Project, Article 12
- Irans flagg og våpen (Store norske leksikon), Lars Roede, “Irans flagg og våpen”, Store norske leksikon, Store norske leksikon, Article text
- Федеральный конституционный закон от 25 декабря 2000 г. N 1-ФКЗ "О Государственном флаге Российской Федерации", Federal Constitutional Law No. 1-FKZ of 25 December 2000 on the State Flag of the Russian Federation, Article 1 (summary and text), Garant, Document summary (Article 1)
Researched, edited and approved by Rory Hansen before publishing. Last reviewed October 13, 2026. How we research
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