Flag of Dren, Germany The Flag of Dren, a city in North Rhine-Westphalia, Germany, is a rectangular banner divided into four quadrants by two equally spaced vertical and horizontal lines that intersect at the center. Each quadrant exhibits a different color: the top-left (hoist side) and bottom-right quadrants are blue, while the top-right and bottom-left quadrants are yellow. The city of Dren adopted this design in 1956 to symbolize its rich history and cultural identity. Despite not being an official national or regional flag, the Flag of Dren serves as a significant representation of local pride among the residents of this historic German town.