Ulleungdo is a volcanic island located in the Sea of Japan, part of South Korea. It is known for its stunning natural beauty, featuring rugged cliffs, lush forests, and clear waters. The island covers an area of approximately 73 square kilometers and has a population of around 10,000 residents. The island is famous for its unique geological features, including the Ulleungdo Lighthouse and the Seonginbong Peak, which is the highest point on the island. Visitors can enjoy various outdoor activities such as hiking, fishing, and exploring the local culture, including traditional cuisine and crafts.