The Flag of Siegen-Wittgenstein is the official banner representing the district (Kreis) of Siegen-Wittgenstein, located in North Rhine-Westphalia, Germany. It consists of four horizontal stripes in the colors green, white, red, and yellow from top to bottom, with the coat of arms of the district centered in the middle. The flag was officially adopted on March 18, 1975, following the merger of the former districts of Siegen and Wittgenstein. The colors and design of the flag reflect the region's rich history and cultural heritage, with green symbolizing agriculture and forests, white representing peace and unity, red standing for courage and strength, and yellow signifying the golden sun and prosperity.