Hongje Church

Seodaemun District (Korean: 서대문구, romanized: Seodaemun-gu, "Great West Gate") is one of the 25 districts of Seoul, South Korea.Seodaemun has a population of 313,814 (2010) and has a geographic area of 17.61 km2 (6.8 sq mi), and is divided into 14 dong (administrative neighborhoods). Seodaemun is located in northwestern Seoul, bordering the city districts of Eunpyeong to the northwest, Mapo to the southwest, Jung to the southeast, and Jongno to the east.

Seodaemun Museum of Natural History is a first public museum of natural history in South Korea, located in a metropolitan area, Seodaemun-gu, Seoul. It was founded in 2003 and operated by Seodaemun-gu Administration. The purpose of the foundation is to preserve, to study, and to exhibit geological and biological records about the local environment.