Jung has a population of 131,452 (2013) and has a geographic area 9.96 km2 (3.85 sq mi), making it both the least-populous and the smallest district of Seoul, and is divided into 15 "dong" (administrative neighborhoods). Jung is located at the centre of Seoul on the northern side of the Han River, bordering the city districts of Jongno to the north, Seodaemun to the northwest, Mapo to the west, Yongsan to the south, Seongdong to the southeast, and Dongdaemun to the northeast.