Baengnyeong Island (sometimes spelled Baekryeong; Korean pronunciation: [pɛŋȵʌŋdo]) is a 45.8-square-kilometre (17.7 sq mi), 8.45-kilometre (5.25 mi) long and 12.56-kilometre (7.80 mi) wide island in Ongjin County, Incheon, South Korea, located near the Northern Limit Line. The 1953 Korean Armistice Agreement which ended the Korean War specified that the five islands including Baengnyeong Island would remain under United Nations Command and South Korean control. This agreement was signed by both North Korea and the United Nations Command. Since then, it has served as a maritime demarcation between North and South Korea in the Yellow Sea. It has a population of approximately 4,329.