South Korea most of which is not arable. Lowlands, located primarily in the west and southeast, make up only 30% of the total land area. About three thousand islands, mostly small and uninhabited, lie off the western and southern coasts of South Korea. Jeju-do is about off the southern coast of South Korea. It is the country's largest island, with an area of . Jeju is also the site of South Korea's highest point: Hallasan, an extinct volcano, reaches above sea level. The easternmost islands of South Korea include Ulleungdo and Liancourt Rocks (Dokdo/Takeshima), while Marado and Socotra Rock are the southernmost
Hallasan as Mount Auckland. Hallasan is written in North Korea in Chosungul as if it were "Hannasan" (한나산); however, it is still pronounced as "Hallasan". In the past, Hallasan has been known by numerous other names in Korean including "Buak" (부악/), "Wonsan" (원산/), "Jinsan" (진산/), "Seonsan" (선산/), "Dumuak" (두무악/), "Burasan" (부라산/), "Yeongjusan" 영주산(), and "Hyeolmangbong" (혈망봉/). Every name of Hallasan has meanings and legends. "Han" represents the universe, and "la" means "pull". Both words mean that the mountain is high enough to pull the universe. According to the old legend, if anyone were to climb up the mountain, see a star