Flag of Shimane Prefecture Japan The Flag of Shimane Prefecture is a symbol representing Japan’s Shimane Prefecture, located on the island of Honshu. Adopted in 1967, the flag features three white stylized kanji characters, “,” which translate to “Ken-zan” in English, signifying Mount Kenzan, a sacred mountain in the prefecture. The characters are arranged diagonally on a light blue field, symbolizing the sea and sky. The flag’s design embodies the prefecture’s rich history, cultural heritage, and natural beauty.