This introduction to the National Sejong Arboretum will have you headed out the door! Grab the kids for the perfect adventure in a beautifully relaxed area of South Korea. About the National Sejong Arboretum National Sejong Arboretum is one of Korea’s three national arboretums and it is located in Sejong City, named after the fourth king in the Joseon Dynasty and creator of Hangeul, the Korean Alphabet. Surrounded by two provinces, Chungcheongnam-do and Chungcheongbuk-do, as well as the city of Daejeon, Sejong was designed as a “smart city” and a…