Nowon District (Nowon-gu) is a residential district of Seoul, South Korea, Located in the northeastern part of the metropolitan city. It has the highest population density in Seoul, with 619,509 people living in the area of 35.44 km².
Nowon District (and Seoul) is bordered by the mountains Suraksan and Bukhansan, on the northeast. The Jungnangcheon (or Jungnang Stream) flows through the western part of Nowon. The Gyeongchun and Gyeongwon Lines of Korean National Railroad and the Seoul Metropolitan Subway lines four, six, and seven pass through Nowon District.
Nowon District is home to numerous educational institutes such as Sahmyook University, the Korea Military Academy, Sejong Science High School, Seoul National University of Technology, Induk University and Seoul Women's University. The large number of schools, universities, and hagwon have given the "gu" the reputation of being the so-called "educational district" of northern Seoul, just like Gangnam and Seocho Districts of southern Seoul. The mayor of this district is Kim Seong-Hwan since July 2010.
In April 2013, multiplex cinema CGV Junggye opened in Junggye-dong.