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Jingjinji (JJJ)

Tianjin and Beijing ISS026-E-010155 lrg.jpg
CountryPeople's Republic of China
Major Prefectural CitiesBaoding
 • Mayor of BeijingChen Jining
 • Mayor of TianjinZhang Guoqing
 • Governor of HebeiXu Qin
 • Total217,156 km2 (83,844 sq mi)
 • Total112 million
Time zoneUTC+8 (CST)

The Jingjinji Metropolitan Region or Jing-Jin-Ji (JJJ),[a] also in Beijing-Tianjin-Hebei (BJ-TJ-HB), formerly Capital Economic Zone, is the national capital region of the People's Republic of China. It is the biggest urbanized megalopolis region in Northern China. It includes an economic region surrounding the municipalities of Beijing and Tianjin, along the coast of the Bohai Sea.[1] This emerging region is rising as a northern metropolitan region rivaling the Pearl River Delta in the south and the Yangtze River Delta in the east. In 2016 Jingjinji had total population of 112 million people[2] and was as populated as Guangdong.


In 2018, Jingjinji produced around 10% (US$1.3 trillion or US$2.4 trillion in PPP) of China's GDP or about the same size as Mexico.[3] Jingjinji has traditionally been involved in heavy industries and manufacturing. Tianjin's strengths have always been in aviation, logistics and shipping. Beijing complements this economic activity with strong petrochemical, education and R&D industries. The area is becoming a significant growth cluster for automobile, electronics, petrochemical sectors, automotive industry, software and aircraft, also attracting foreign investments in manufacturing and health services.[4][5]

The Chinese central government has made it a priority to integrate all the cities in the Bohai Bay rim and foster economic development. This includes building an advanced communications network, better highways, increased education and scientific resources as well as tapping natural resources off the Bohai rim.[6]

In recent decades, petroleum and natural gas deposits have been discovered in the Jingjinji region's coast of the Bohai sea.

Metropolitan areas[edit]

Metropolitan area Chinese Cities Urban population
Beijing metropolitan area 北京城市圈
Běijīng Chéngshì Quān
Beijing, Huairou, Miyun, Pinggu, Yanqing 16,858,692
Tianjin metropolitan area 天津城市圈
Tiānjīn Chéngshì Quān
Tianjin, Binhai, Baodi, Jinghai, Jizhou, Ninghe 10,277,893
Shijiazhuang metropolitan area 石家庄城市圈
Shíjiāzhuāng Chéngshì Quān
Shijiazhuang, Jinzhou, Xinji, Xinle 3,823,504
Baoding-Xiong'an metropolitan area 保定雄安城市圈
Bǎodìng-Xióng'ān Chéngshì Quān
Baoding, Xiong'an, Anguo,
Dingzhou, Gaobeidian, Zhuozhou
Tangshan metropolitan area 唐山城市圈
Tángshān Chéngshì Quān
Tangshan 2,237,317

Major cities[edit]

Jingjinji includes the Beijing, Tianjin, and Hebei provinces. Major cities in these municipalities and provinces include:

City Pinyin Population (2010) Image Information City Map
Běijīng 19,612,368 CBD view from Tongzhou 3.jpg Beijing is a metropolis in northern China and the capital of the People's Republic of China. Beijing is governed as a municipality under direct administration of the central government. Beijing is China's second largest city after Shanghai, with more than 17 million people in Beijing's jurisdiction. Beijing mcp.png
Tiānjīn 12,938,224 Tianjin Skyline 2009 Sep 11 by Nangua 1.jpg The third largest city of the People's Republic of China in terms of urban population. Administratively it is one of the four municipalities that have provincial-level status, reporting directly to the central government. Its urban land area is the third largest in China, ranked only after Beijing and Shanghai. Tianjin mcp.png
Bǎodìng 10,029,197 Evening Baoding.JPG Baoding is the third largest city in Hebei Province, ranked after Shijiazhuang and Tangshan. The city is located in the center of Beijing-Tianjin-Shijiazhuang Economic Triangle, with good transportation connections and commute distance to its nearby major cities. The newly-established Xiong'an New Area, which aims to be a high-tech, environmentally sustainable modern metropolis and serves as a new hub for some administration departments. Logistics bases in northern China are within the city limits of Baoding.[7] Administrative Division Baoding.png
Shíjiāzhuāng 9,547,869 Farviewshijiazhuang.jpg Shijiazhuang is the capital of Hebei, as well as the third largest city in Jingjinji, after Beijing and Tianjin. Administrative Division Shijiazhuang.png
Tángshān 7,577,284 TangShan.jpg Tangshan, a coastal city along the Bohai Bay and neighboring Tianjin, is the second largest city in Hebei, after Shijiazhuang. It is also known for the 1976 Tangshan earthquake. Administrative Division Tangshan.png
Cāngzhōu 7,134,053 沧州体育馆.jpg A city in south-east Hebei on the coast of the Bohai Sea coast. It borders Tianjin to the north. Administrative Division Cangzhou.png
Lángfāng 4,358,839 Closer Look at Farming Village in Langfang.jpg Langfang is located between Beijing and Tianjin and contains the Sanhe exclave, which is separate from the rest of Hebei. Administrative Division Langfang.png
Zhāngjiākǒu 4,345,491 Mount Dongtaiping, Zhangjiakou, June 10, 2010.jpg A city in north-west Hebei. It borders Beijing to the southeast. Administrative Division Zhangjiakou 2.png
Chéngdé 3,473,197 Chengdeview3.JPG A city in north-east Hebei, best known for the Chengde Mountain Resort. Administrative Division Chengde.png



Major airports[edit]

Regional airports[edit]


There are many major highways servicing the routes within Jingjinji area. This includes the following expressways:

The following six China National Highways pass through Tianjin:

High-speed rail[edit]

Intercity high-speed rail lines[edit]

Other high-speed rail lines[edit]

High-speed rail lines planned or under construction[edit]

Suburban railway[edit]

Metro systems[edit]

Light rail[edit]

See also[edit]


  1. ^ Jīng (), Jīn (), and () are the common abbreviations for Beijing, Tianjin, and Hebei, respectively


  1. ^ Johnson, Ian (July 19, 2015). "In China, a Supercity Rises Around Beijing". New York Times.
  2. ^ "National Data". data.stats.gov.cn. Retrieved 2018-11-17.
  3. ^ "National Data". data.stats.gov.cn. Retrieved 2018-11-17.
  4. ^ Regional Definition: Bohai Sea Archived 2006-09-30 at the Library of Congress Web Archives Unep.Org Retrieved 2010-01-09
  5. ^ Tianjin at a Glance Archived 2009-01-07 at the Wayback Machine uschina.org Retrieved 2010-01-09
  6. ^ Gain a strategic advantage in the Bohai Bay region sdic.com.cn 2007-06-11 Retrieved 2010-01-16
  7. ^ "Xiong'an, China's Newest Special Economic Zone - CKGSB Knowledge". knowledge.ckgsb.edu.cn. Retrieved 2018-07-19.

Coordinates: 38°42′N 118°6′E / 38.700°N 118.100°E / 38.700; 118.100