‘Flag of Dsseldorf, Germany’ The Flag of Dsseldorf is a banner symbolizing the city of Dsseldorf, North Rhine-Westphalia, Germany. It consists of seven equal horizontal stripes in the colors of black, red, and gold (from top to bottom). This tricolor scheme represents the traditional Prussian flag and is shared by several German states and cities. The flag was officially adopted on August 30, 1958, replacing an older version that dated back to 1926. The Flag of Dsseldorf serves as a visible representation of the city’s history and cultural heritage.