Sejong City, city and planned capital, west-central South Korea. It is bordered to the east by Cheongju, North Chungcheong province; to the west by Gongju, South Chungcheong province; to the south by Daejeon; and to the north by Cheonan, South Chungcheong. Relocation of the country’s capital was proposed in 2002 in order to reduce congestion in the current capital of Seoul. Sejong City was founded in 2007, combining areas of South Chungcheong and North Chungcheong into a long, narrow strip of land. Key government agencies began relocating there in 2012. Sejong City was named after King Sejong the Great, the ...(100 of 247 words) Access the full article Help support true facts by becoming a member. Subscribe today!