Siheung

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Siheung 시흥시
Municipal City
Korean transcription(s)
• Hangul	시흥시
• Hanja	始興市
• Revised Romanization	Siheung-si
• McCune–Reischauer	Sihŭng-si
Wolgot Harbor past Oido Station
Flag Emblem of Siheung
Location in South Korea
Coordinates: 37°22′47″N 126°48′10″E / 37.37986°N 126.802887°E / 37.37986; 126.802887
Country	South Korea
Region	Gyeonggi Province (Sudogwon)
Administrative divisions	18 dongs
Area
• Total	135.79 km2 (52.43 sq mi)
Population  (September 2024)[1]
• Total	518,559
• Density	3,355.8/km2 (8,691/sq mi)
• Dialect	Gyeonggi

Siheung (Korean: 시흥; [ɕi.ɣɯŋ]) is a city in Gyeonggi Province, South Korea. The city has a population of 511,807 people, where 508,646 are residents out of 218,846 households as of August 2021. Siheung acquired its current administrative structure on January 1, 1989, the former Siheung County was divided into the cities of Siheung, Gunpo, and Uiwang. At the time, Siheung had a population of only 93,000. This number more than tripled in the following decade as massive suburban apartment complexes were developed. Siheung's current area formerly belonged to Incheon and Ansan before 1914.

Notable landmarks include the Oido island, the Soraesan mountain, Lotus theme park and the port and inlet of Wolgot. Siheung includes two new areas that were developed in the 1990s, Sihwa and Wolgot. The new city of Sihwa includes a very large industrial complex.^{[clarification needed]} Companies headquartered there include Hansung Machinery Co., Korea Polytechnic University (established in 1997), and also Kyonggi Institute of Technology [ko] (reorganized in 1999).

In 2007, Korea Polytechnic University built TIP (Techno Innovation Park). The building has 18 floors used for studying, research, and development for students, faculty, companies and government.^[2] In February 2010, Seoul National University acquired 826 thousand square-meters or 204 acres of Siheung property to establish its global campus.^[3] The university plans to build a biomedical complex, research hospital, apartments, and education-related infrastructure including lecture halls, dormitories, and an international middle and high school.^[4]