The Flag of Darmstadt-Dieburg, a municipality in the German state of Hesse, is a banner consisting of two horizontal bands representing the merged towns of Darmstadt and Dieburg. The upper band is white, while the lower band is blue, each bearing their respective coats of arms in the center.The flag’s design symbolizes the unity and merger of the two towns in 1977. The coat of arms on the white field represents Darmstadt, featuring a golden sun with rays between five green leaves representing olive branches. On the blue field, Dieburg’s coat of arms displays a silver shield adorned with three red roses and a golden lion passant.This flag serves as an official symbol for the administrative district of Darmstadt-Dieburg, showcasing its unique identity within Germany.