Hongik-dong (Korean: 홍익동) is a legal dong (neighborhood) of Seongdong District, Seoul, South Korea and governed by its administrative dong, Doseon-dong office.^[1]

• Administrative divisions of South Korea

• "Seongdong District Status Info". Seongdong District official site. Retrieved 2008-04-22. ^{[dead link‍]}
• 성동구 (Seongdong District 城東區) (in Korean). Doosan Encyclopedia. Retrieved 2008-04-22.^{[permanent dead link‍]}
• "Chronicle of Beopjeong-dong and Haengjeong-dong" (in Korean). Guro District Official website. Archived from the original on 2014-10-06. Retrieved 2008-05-10.
• "Mapo Information". The chart of legal dong assigned by administrative dong (행정동별 관할 법정동 일람표) (in Korean). Mapo District Official website. Archived from the original on 2007-11-05.

• Seongdong District Official site in English^{[permanent dead link‍]}
• (in Korean) Seongdong District Official website
• (in Korean) Map of Seongdong District Archived 2012-02-11 at the Wayback Machine
• (in Korean) Doseon-dong Resident office