The Flag of Potsdam Mittelmark, Germany is a heraldic banner representing this historical region located within the state of Brandenburg. It displays three vertical stripes in the colors green, white, and red. The flag reflects the traditional arms of the medieval margraviate that once governed the area. The green stripe symbolizes the county of Stargard, the white represents Templin, and the red stands for the Zauch-Belzig territory. The Flag of Potsdam Mittelmark does not have any official status within Germany but serves as a symbol of regional identity and historical heritage.