South Chungcheong Province, also known as Chungnam, is a province of South Korea in the Hoseo region in the southwest of the Korean Peninsula. South Chungcheong borders the provinces of Gyeonggi to the north, North Chungcheong, Sejong Special Self-governing City, and Daejeon Metropolitan City to the east, and North Jeolla to the south. Hongseong County is the capital and Cheonan is the largest city of South Chungcheong, with other major cities including Asan, Seosan, and Dangjin.