The flag of Baden-Württemberg, a state in Germany, has three variants. The civil flag (Landesflagge) has one design, while the state flag (Landesdienstflagge), has two designs. All three flags are a black over gold bi-color, while the state flag has one of two variants of the state arms centered on the flag.^[1] The flag, while identical, has no symbolism of or relation with the flag of the Austrian Empire.

You can help expand this article with text translated from the corresponding article in German. (November 2022) Click [show] for important translation instructions. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing German Wikipedia article at [[:de:Flagge Baden-Württembergs]]; see its history for attribution. You should also add the template {{Translated|de|Flagge Baden-Württembergs}} to the talk page. For more guidance, see Wikipedia:Translation.

Quick Facts Use, Proportion ...

Flag of Baden-Württemberg

State civil flag (Landesflagge)
Use	Civil flag
Proportion	3:5
Adopted	11 November 1953
State Flag (Landesdienstflagge), Greater arms
Use	State flag
Proportion	3:5
Adopted	29 September 1954
State Flag (Landesdienstflagge), Lesser arms
Use	State flag
Proportion	3:5
Adopted	29 September 1954

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The flag of Baden-Württemberg was created in 1952, after the merging of the former German states Baden, Württemberg-Baden, and Württemberg-Hohenzollern, that were divided due to different occupying forces after World War II. Historically, the state of Southern Baden used a yellow-red-yellow horizontal triband. The state of Württemberg-Hohenzollern used a black-red horizontal bicolour.^[2] The colors were chosen as black and gold, and are defined in the constitution of the state of Baden-Württemberg, adopted on 11 November 1953.^[3]

• Electoral Palatinate
• Peasants' army
• Electoral Palatinate - war flag (1604)
• Electorate of Baden (1803–1806)
• Electorate of Baden (1848-1862)
• Electorate of Baden (1862-1871)
• Electorate of Baden (1871–1891)
• Grand Duchy of Baden and Republic of Baden (1891–1918)
• Hohenzollern-Sigmaringen (1576–1850)
• Province of Hohenzollern (1850–1946)
• Principality of Leyen (1806–1813)
• Duchy of Württemberg (1495–1803)
• Electorate of Württemberg (1803–1806)
• Kingdom of Württemberg (1806 - 1816)
• Kingdom of Württemberg, Free People's State of Württemberg and Württemberg-Hohenzollern (1816–1952)
• Württemberg-Baden (1945–1952)
• Flag of the Royal Yacht Club of Württemberg in Friedrichshafen (1913-1918)

• Flags of German states