Join upcoming events being held in Shimane. Shimane Prefecture, located in the Chugoku region of Japan, is a picturesque and historic destination known for its numerous Shinto shrines, including the Izumo Taisha, which is said to be the oldest and most important shrine in the country, as well as its beautiful natural scenery, including the stunning Oki Islands and the crystal-clear waters of the Lake Shinji, making it an ideal location for exploring traditional Japanese culture and natural beauty.