Ulleungdo is a South Korean island 120 km (75 mi) east of the Korean Peninsula, formerly known as the Dagelet Island or Argonaut Island in Europe, and known as Yùlíng-dǎo in Chinese and Utsuryō-tō (鬱陵島) in Japanese. Volcanic in origin, the rocky steep-sided island is the top of a large stratovolcano which rises from the seafloor, reaching a maximum elevation of 984 metres (3,228 ft) at Seonginbong Peak. The island is 9.5 kilometres (5.9 mi) in length and 10 kilometres (6.2 mi) in width; it has an area of 72.86 km2 (28.13 sq mi). It has a population of 10,426 inhabitants.
