Transborder agglomeration

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San Diego–Tijuana is an urban agglomeration across the Mexico–United States border.

A transborder agglomeration is an urban agglomeration or conurbation that extends into multiple sovereign states and/or dependent territories. It includes city-states that agglomerate with their neighbouring countries.

List of transborder agglomerations

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Africa

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Main municipalities Countries Total population
Kinshasa–Brazzaville Democratic Republic of the Congo / Republic of the Congo 19,547,463
Bukavu–Cyangugu Democratic Republic of the Congo / Rwanda 1,200,000[1][2]
Goma–Gisenyi 756,323
Abidjan–Lagos Côte d'Ivoire / Ghana / Togo / Benin / Nigeria 27,000,000
Lomé–Aflao Togo / Ghana 1,544,206
N'Djamena–Kousséri Chad / Cameroon 1,694,819

Asia

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Main municipalities Countries Total population
Astara and Astara Iran– Azerbaijan 100,000
Khorramshahr and Abadan and Basra Iran– Iraq 2,000,000
Dhahran and Jubail and Manama Saudi Arabia– Bahrain 2,000,000
Tashkent and Saryagash Uzbekistan– Kazakhstan 3,000,000[3]
Fergana and Kyzyl-Kiya Uzbekistan– Kyrgyzstan 300,000
Qorasuv and Kara-Suu 40,000
Heihe and Blagoveshchensk China– Russia 400,000
Dandong and Sinuiju China– North Korea 1,000,000
Greater Bay Area (Guangzhou and Dongguan and Shenzhen and Hong Kong– Macau China– Hong Kong– Macau 71,200,000
Sijori Growth Triangle (Singapore and Johor Bahru and Batam and Bintan) Singapore– Malaysia– Indonesia 9,000,000
Padang Besar and Padang Besar Malaysia– Thailand 20,000
Vientiane and Nong Khai Laos– Thailand 900,000
Al Ain and [[Al Buraimi, Oman]] Uae– Oman 968,589
Savannakhet and Mukdahan Laos– Thailand 200,000

Europe

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Further information: Eurodistrict
Main municipalities Countries Total population[citation needed]
Øresund Region (Greater Copenhagen and Malmö) Denmark– Sweden 3,964,522
Haparanda and Tornio Sweden– Finland 32,000
Pello and Pello 4,500
Karesuando and Karesuvanto 500
Imatra and Svetogorsk Finland– Russia 45,000
Ivangorod and Narva Russia– Estonia 69,000
Valga and Valka Estonia– Latvia 20,000
Como and Chiasso (part of Greater Milan)[4] Italy–  Switzerland 189,000[5]
Gorizia and Nova Gorica Italy– Slovenia
Basel and Huningue and Weil am Rhein (Trinational Eurodistrict of Basel)  Switzerland– France– Germany 2,400,000
Geneva and Annemasse and Ferney-Voltaire and Nyon (Grand Genève)  Switzerland– France 890,000
Kreuzlingen and Konstanz  Switzerland– Germany 110,000
Basque Eurocity Bayonne-San Sebastián France– Spain 620,000
Le Perthus and Els Límits 700
Bourg-Madame and Puigcerdà
Hendaye and Irun
Lille and Roubaix and Tourcoing and Mouscron and Tournai and Kortrijk (Eurometropolis Lille–Kortrijk–Tournai) France– Belgium 1,850,000
Longwy and Aubange and Pétange France– Belgium– Luxembourg 80,000
Strasbourg and Kehl (Strasbourg-Ortenau Eurodistrict) France– Germany 700,000
Forbach and Saarbrücken 700,000
La Línea de la Concepción and Gibraltar Spain– Gibraltar 95,628
Baarle-Hertog and Baarle-Nassau Belgium– Netherlands 9,262
Görlitz and Zgorzelec Germany– Poland 85,000
Guben and Gubin 35,000
Frankfurt (Oder) and Słubice 75,000
Szczecin 763,321
Cieszyn and Český Těšín Poland– Czech Republic 57,000
Herzogenrath and Kerkrade Germany– Netherlands 95,000
Freilassing and Salzburg Germany– Austria 175,000
Vienna and Bratislava Austria– Slovakia 2,400,000
Komárom and Komárno Hungary– Slovakia 56,000
Rousse and Giurgiu Bulgaria– Romania 250,000
Lifford and Strabane Ireland– United Kingdom 18,500
Brod and Slavonski Brod Bosnia and Herzegovina– Croatia 110,000
Zvornik and Mali Zvornik Bosnia and Herzegovina– Serbia 70,000
Gradiška and Stara Gradiška Bosnia and Herzegovina– Croatia 53,000
Novi Grad and Dvor Bosnia and Herzegovina– Croatia 30,000
Dubica and Hrvatska Dubica Bosnia and Herzegovina– Croatia 23,000
Kostajnica and Hrvatska Kostajnica Bosnia and Herzegovina– Croatia 8,000

North America

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Main municipalities Countries Total population
Paso Canoas Costa Rica / Panama 9,543
Metro Vancouver–Fraser Valley–Bellingham-Whatcom County United States / Canada 3,350,000
Detroit–Windsor 5,976,595
Buffalo-Niagara Region 1,614,790
Port Huron–Sarnia–Point Edward 105,776
Sault Ste. Marie–Sault Ste. Marie 93,944
San Diego–Tijuana United States / Mexico 5,105,769[6]
Calexico–Mexicali 1,143,000
San Luis Río Colorado–San Luis 227,000
Nogales–Nogales 240,000
El Paso–Juárez 2,500,000[7]
Laredo–Nuevo Laredo 775,481[8]
Lower Rio Grande Valley 2,671,028[9]
Reynosa–McAllen 1,500,000[10]
Brownsville–Matamoros 1,387,985[11]

South America

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Main municipalities Countries Total population
Saint-Laurent-du-Maroni–Albina French Guiana / Suriname
Saint Georges–Oiapoque French Guiana / Brazil 32,000
Quaraí–Artigas Brazil / Uruguay 67,000
Santana do Livramento–Rivera 140,000
Chuí–Chuy 15,592[12][13]
Corumbá–Puerto Suárez Brazil / Bolivia 124,000
Tabatinga–Leticia–Santa Rosa Brazil / Colombia / Peru 107,000
Ponta Porã–Pedro Juan Caballero Brazil / Paraguay 209,000
Foz do Iguaçu–Ciudad del Este–Puerto Iguazu Brazil / Paraguay / Argentina 800,000
Barracão–Dionísio Cerqueira–Bernardo de Irigoyen Brazil / Argentina 36,000
Uruguaiana–Paso de los Libres 170,000
Tulcán–Ipiales Ecuador /  Colombia 190,000
Cúcuta–San Antonio del Táchira Colombia / Venezuela 700,000 [14]

See also

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References

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  1. ^ "Bukavu, Democratic Republic of the Congo Population (2023) - Population Stat". populationstat.com. Retrieved 2 May 2023.
  2. ^ "Explore Cyangugu Town". Nyungwe Forest National Park. Retrieved 2 May 2023.
  3. ^ Dankov, Artem. "Central Asian cities are overgrown with slums". centre1.com. Retrieved 12 May 2017.
  4. ^ "Archived copy" (PDF). www.espon.eu. Archived from the original (PDF) on 24 September 2015. Retrieved 12 January 2022.{{cite web}}: CS1 maint: archived copy as title (link)
  5. ^ "Archived copy" (PDF). www.espon.eu. Archived from the original (PDF) on 24 September 2015. Retrieved 12 January 2022.{{cite web}}: CS1 maint: archived copy as title (link)
  6. ^ "San Diego - Tijuana". World Gazetteer. Archived from the original on 2007-10-01. Retrieved 1 September 2011.
  7. ^ "The 411 - Fascinating Facts". Guest Life: El Paso/Juarez and Southern New Mexico. Archived from the original on 28 September 2007. Retrieved 17 Feb 2010.
  8. ^ "Nuevo Laredo Metro area". World Gazetteer. Archived from the original on 9 February 2013. Retrieved 1 September 2011.
  9. ^ Gomez, Rodney; Guajardo, Luis; Ely-Ledesma, Edna (June 15, 2022). "It is time to recognize the Rio Grande Valley as a rising borderland metropolis". Rice University: Kinder Institute for Urban Research.{{cite web}}: CS1 maint: multiple names: authors list (link)
  10. ^ "McAllen Overview". McAllen Chamber of Commerce. Retrieved 26 August 2011.
  11. ^ "Explore Matamoros". Brownsville South Padre Island International Airport. Retrieved 5 February 2024.
  12. ^ "IBGE Cidades (Brazil's Census 2010)".
  13. ^ "INE (Uruguay's Census 2011)".
  14. ^ http://www.lapatilla.com/site/2016/08/15/cucuta-y-san-antonio-dos-ciudades-unidas-pero-separadas-por-cierre-frontera/ "...que une ambas ciudades formando una conurbación, los 650.000 habitantes de Cúcuta y los 50.000 de San Antonio supieron que comenzaban tiempos difíciles."