Seongnam (Hangul/Hanja: 성남시/城南市) is the second largest city in Gyeonggi Province after its Provincial Capital, Suwon and the 10th largest city in the Republic of Korea. Its population is approximately one million (977,991 inhabitants in May 2016). Located at the Central Gyeonggi Province, Seongnam is a satellite city of Seoul. It is largely a residential city located 26km southeast of Seoul and belongs to the Seoul National Capital Area a.k.a Sudogwon-Gijeon Region. The postal codes of Seongnam City start from 13100 [1279~1301 Daewang-Pangyo Road/DaewangPangyo-ro, Seongnam-Sujeong] to 13646 [83 Wirye Boulevard/Wirye-daero, Seongnam-Sujeong] and its passenger vehicle registration plate code is 36(Hangul at range: 가, 나, 다, 라, 마, 거, 너, 더, 러, 머, 버, 서, 어, 저, 고, 노, 도, 로) 1000~9999.
Seongnam City is bordered with four mountains on East which are Mount Namhan (522m), Mount Cheongnyang (479m), Mount Geomdan (535m) and Mount Bulgok (312m); separated with Gwangju-Gyeonggi and Hanam City, Mount Cheonggye (618m) on West; separated with Uiwang and Gwacheon Cities, Yongin Suji-gu and Yongin Cheoin-gu on South and Seoul Seocho-gu and Seoul Songpa-gu on North. Seongnam literally means "South of the Fortress" because Namhan Fortress (Namhan Sanseong) is located within the city (Seongnam Sujeong-gu).
Seongnam, the first planned city in Korea's history, was conceived during the era of President Park Chung-hee for the purpose of industrializing the nation by concentrating electronic, textile, and petrochemical facilities there during the 1970s and 1980s. The city featured a network of roads, to Seoul and other major cities, from the early 1970s on. Today, Seongnam has merged with the metropolitan network of Seoul. Bundang-gu, one of districts in Seongnam, was developed in the 1990s.
Due to the geographic advantage of the city’s proximity of Seoul, the city offers convenient transportation. Seongnam City is the center of logistics with diverse potentials for development, and the city is also equipped with highly qualified human resources. Excellent residential areas and numerous culture centers also add attractiveness to this city. Seongnam City ranks as a city with the most satisfactory living conditions.
Seongnam City is equipped with high-tech information industry complexes like Pangyo Techno Valley, Yatap Valley and Wirye Medi-Bio Valley, and is the hub of Korea’s high tech industries and research. Moreover, the city is putting in a lot of efforts to preserve the ecology, and it focuses on being an environmental-friendly city where nature and human beings coexist in harmony. In addition, it is a city of culture and arts where various performances and exhibitions are hosted all year round.
Above all, as a new town in the metropolitan areas, Seongnam is growing as the cradle of IT & high-tech industries with its techno and business parks. Seongnam has great conditions, ideal for many industries. It is operating a networking system with local universities, providing comprehensive support of excellent human resources, finance, technology and distribution. Many companies and research centers such as KT (formerly Korea Telecom), Korea Gas Corporation, KEPCO, and Korea Land Corporation are moving into Seongnam to work in such successful environment.
The City Hall is located at 997 Seongnam Boulevard/Seongnam-daero, Yeosu-dong 200-beonji, Seongnam Jungwon-gu with its postal code: 13437. The city mayor is Lee Jai-myung (Minjoo Party). While Shin Sang-jin (Saenuri), Kim Tae-nyeon (Minjoo Party), Prof. Luciano Kim Byung-wook (Minjoo Party) and Kim Byung-kwan (Minjoo Party) served as the district assemblymen for 20th Session of Gukhoe (2016-2020). Seongnam City consists three districts (Sujeong-gu on Yellow, Jungwon-gu on Pink and Bundang-gu on Green), 46 Administrative Precincts on 44 Legal Precincts as shown on the map below (in Hangul).