context: Jeju Island (濟州島, Jeju-do) is an island located in the South Sea of ​​Korea and is the largest island in Korea. It belongs to Jeju Special Self-Governing Province. The island covers an area of ​​1833.2 km² [1], representing 1.83% of South Korea's area [2]. In 2018, the resident population was about 660,000 [3], which is the largest population among the islands in Korea.
question: Where is the largest island in Korea?
answers.text: Jeju Island