Yongmun-dongYongmun-dong is a dong of Yongsan District, Seoul, South Korea.WWW yongsan.go.kr/site/dc/ind...OverviewYongmun-dong was founded in 1946 and is known for its significant annual celebrations held on April 1 and October 17. Historically, the eastern region of Yongmun-dong boasted a substantial peach orchard planting area.