Teok-su Palace is also in downtown Seoul, next to City Hall, about 1.25 kilometers to the south and west of Kyeong-bok-kung. When you enter, you will see the statue of King Sejong, who invented Han-gul, the Korean writing system. The Royal Museum is also located on the Teok-su-gung grounds. Admission to Teok-su-gung is 700 won; the palace is closed on Mondays.