The Flag of Koganei Tokyo Japan is the official symbol representing the city of Koganei, a district located within Tokyo, Japan. It features three main elements: a white field (background), a red square at the hoist side, and an iris flower in the center. The red square represents the spirit of the citizens and their determination to protect and improve the city, while the iris flower symbolizes Koganei’s historical background and its connection to traditional Japanese culture. The flag was officially adopted on March 6, 1972.