October 19

Gajwa Station is a station on the Gyeongui–Jungang Line in Seoul, South Korea.

Mapo-gu Office Station is a Seoul Metropolitan Subway station near the Mapo district office in Seoul, opened in December 2000.

Hongje Station is a rapid transit station on Seoul Subway Line 3 in Seodaemun-gu, Seoul.

Mapo District (Korean: 마포구, romanized: Mapo-gu) is one of the 25 districts of Seoul, South Korea.Mapo has a population of 381,330 (2015) and has a geographic area of 23.87 km2 (9.22 sq mi), and is divided into 24 dong (administrative neighborhoods). Mapo is located in western Seoul on the northern bank of the Han River, bordering the Gyeonggi Province city of Goyang to the northwest, and the Seoul city districts of Gangseo to the west, Yeongdeungpo to the south, Yongsan to the southeast, Jung to the east, and Seodaemun and Eunpyeong to the north.

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.