Sado Island is a picturesque island located in the Sea of Japan, part of Niigata Prefecture. It covers an area of approximately 855 square kilometers and is known for its diverse landscapes, including mountains, forests, and coastal areas. The island has a rich history, having been a place of exile for political figures during the Edo period. The island is also famous for its cultural heritage, including traditional Noh theater and the historic Sado Gold Mine, which was once a significant source of gold in Japan. Today, Sado Island attracts tourists for its natural beauty, outdoor activities, and unique cultural experiences.