Blau is the German and Catalan word for the color blue. It may refer to:

Places

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People

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Art and music

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Other uses

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  • Blau gas, an artificial illuminating gas
  • Case Blue (German: Fall Blau), 1942 WWII German summer offensive in southern USSR
  • Tramvia Blau, a blue streetcar line in Barcelona, Spain

See also

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