The Flag of Istria County, Croatia, is a rectangular banner that represents the administrative region located on the northwestern coast of the country. The flag consists of five horizontal stripes arranged from top to bottom in the colors yellow (top), white, red, white, and blue (bottom). This design reflects the coat of arms of Istria County, which includes a golden shield with three black tridents and a red field charged with two silver six-pointed stars. The flag's dimensions are typically 2:3, making it longer than it is tall. The use of the Istria County flag is primarily symbolic and serves to identify institutions, organizations, and events associated with the region.