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
Africa
Main municipalities
Countries
Total population
Kinshasa–Brazzaville
File:Flag of the Democratic Republic of the Congo.svg Democratic Republic of the Congo /File:Flag of the Republic of the Congo.svg Republic of the Congo
19,547,463
Bukavu –Cyangugu
File:Flag of the Democratic Republic of the Congo.svg Democratic Republic of the Congo / File:Flag of Rwanda.svg Rwanda
1,200,000[ 1] [ 2]
Goma –Gisenyi
756,323
Abidjan–Lagos
File:Flag of Côte d'Ivoire.svg Côte d'Ivoire / File:Flag of Ghana.svg Ghana / File:Flag of Togo (3-2).svg Togo / File:Flag of Benin.svg Benin / File:Flag of Nigeria.svg Nigeria
27,000,000
Lomé –Aflao
File:Flag of Togo (3-2).svg Togo / File:Flag of Ghana.svg Ghana
1,544,206
N'Djamena –Kousséri
File:Flag of Chad.svg Chad / File:Flag of Cameroon.svg Cameroon
1,694,819
Asia
Main municipalities
Countries
Total population
Astara and Astara
File:Flag of Iran.svg Iran –File:Flag of Azerbaijan.svg Azerbaijan
100,000
Khorramshahr and Abadan and Basra
File:Flag of Iran.svg Iran –File:Flag of Iraq.svg Iraq
2,000,000
Dhahran and Jubail and Manama
File:Flag of Saudi Arabia.svg Saudi Arabia –File:Flag of Bahrain.svg Bahrain
2,000,000
Tashkent and Saryagash
File:Flag of Uzbekistan.svg Uzbekistan –File:Flag of Kazakhstan.svg Kazakhstan
3,000,000 [ 3]
Fergana and Kyzyl-Kiya
File:Flag of Uzbekistan.svg Uzbekistan –File:Flag of Kyrgyzstan.svg Kyrgyzstan
300,000
Qorasuv and Kara-Suu
40,000
Lahore and Amritsar
File:Flag of Pakistan.svg Pakistan –File:Flag of India.svg India
12,000,000
Heihe and Blagoveshchensk
File:Flag of the People's Republic of China.svg China –File:Flag of Russia.svg Russia
400,000
Dandong and Sinuiju
File:Flag of the People's Republic of China.svg China –File:Flag of North Korea.svg North Korea
1,000,000
Greater Bay Area (Guangzhou and Dongguan and Shenzhen and Hong Kong – Macau
File:Flag of the People's Republic of China.svg China –File:Flag of Hong Kong.svg Hong Kong –File:Flag of Macau.svg Macau
71,200,000
Sijori Growth Triangle (Singapore and Johor Bahru and Batam and Bintan )
File:Flag of Singapore.svg Singapore –File:Flag of Malaysia.svg Malaysia –File:Flag of Indonesia.svg Indonesia
9,000,000
Padang Besar and Padang Besar
File:Flag of Malaysia.svg Malaysia –File:Flag of Thailand.svg Thailand
20,000
Vientiane and Nong Khai
File:Flag of Laos.svg Laos –File:Flag of Thailand.svg Thailand
900,000
Savannakhet and Mukdahan
200,000
Europe
Main municipalities
Countries
Total population[citation needed ]
Øresund Region (Greater Copenhagen and Malmö )
File:Flag of Denmark.svg Denmark –File:Flag of Sweden.svg Sweden
3,964,522
Haparanda and Tornio
File:Flag of Sweden.svg Sweden –File:Flag of Finland.svg Finland
32,000
Pello and Pello
4,500
Karesuando and Karesuvanto
500
Imatra and Svetogorsk
File:Flag of Finland.svg Finland –File:Flag of Russia.svg Russia
45,000
Ivangorod and Narva
File:Flag of Russia.svg Russia –File:Flag of Estonia.svg Estonia
69,000
Valga and Valka
File:Flag of Estonia.svg Estonia –File:Flag of Latvia.svg Latvia
20,000
Como and Chiasso (part of Greater Milan )[ 4]
File:Flag of Italy.svg Italy –File:Flag of Switzerland (Pantone).svg Switzerland
189,000[ 5]
Gorizia and Nova Gorica
File:Flag of Italy.svg Italy –File:Flag of Slovenia.svg Slovenia
Basel and Huningue and Weil am Rhein (Regio TriRhena )
File:Flag of Switzerland (Pantone).svg Switzerland –File:Flag of France.svg France –File:Flag of Germany.svg Germany
2,400,000
Geneva and Annemasse and Ferney-Voltaire and Nyon (Grand Genève )
File:Flag of Switzerland (Pantone).svg Switzerland –File:Flag of France.svg France
890,000
Kreuzlingen and Konstanz
File:Flag of Switzerland (Pantone).svg Switzerland –File:Flag of Germany.svg Germany
110,000
Basque Eurocity Bayonne-San Sebastián
File:Flag of France.svg France –File:Flag of Spain.svg 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
File:Flag of France.svg France –File:Flag of Belgium (civil).svg Belgium
1,850,000
Longwy and Aubange and Pétange
File:Flag of France.svg France –File:Flag of Belgium (civil).svg Belgium –File:Flag of Luxembourg.svg Luxembourg
80,000
Strasbourg and Kehl
File:Flag of France.svg France –File:Flag of Germany.svg Germany
700,000
Forbach and Saarbrücken
700,000
La Línea de la Concepción and Gibraltar
File:Flag of Spain.svg Spain –File:Flag of Gibraltar.svg Gibraltar
95,628
Baarle-Hertog and Baarle-Nassau
File:Flag of Belgium (civil).svg Belgium –File:Flag of the Netherlands.svg Netherlands
9,262
Görlitz and Zgorzelec
File:Flag of Germany.svg Germany –File:Flag of Poland.svg Poland
85,000
Guben and Gubin
35,000
Frankfurt (Oder) and Słubice
75,000
Szczecin
763,321
Herzogenrath and Kerkrade
File:Flag of Germany.svg Germany –File:Flag of the Netherlands.svg Netherlands
95,000
Freilassing and Salzburg
File:Flag of Germany.svg Germany –File:Flag of Austria.svg Austria
175,000
Vienna and Bratislava
File:Flag of Austria.svg Austria –File:Flag of Slovakia.svg Slovakia
1,900,000
Komárom and Komárno
File:Flag of Hungary.svg Hungary –File:Flag of Slovakia.svg Slovakia
56,000
Rousse and Giurgiu
File:Flag of Bulgaria.svg Bulgaria –File:Flag of Romania.svg Romania
250,000
Lifford and Strabane
File:Flag of Ireland.svg Ireland –File:Flag of the United Kingdom.svg United Kingdom
18,500
Slavonski Brod and Brod
File:Flag of Croatia.svg Croatia –File:Flag of Bosnia and Herzegovina.svg Bosnia and Herzegovina
110,000
North America
Main municipalities
Countries
Total population
Paso Canoas
File:Flag of Costa Rica.svg Costa Rica / File:Flag of Panama.svg Panama
9,543
Metro Vancouver –Fraser Valley –Bellingham -Whatcom County
File:Flag of the United States.svg United States / File:Flag of Canada (Pantone).svg 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
File:Flag of the United States.svg United States / File:Flag of Mexico.svg 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
Main municipalities
Countries
Total population
Saint-Laurent-du-Maroni –Albina
File:Flag of France.svg French Guiana / File:Flag of Suriname.svg Suriname
Saint Georges –Oiapoque
File:Flag of France.svg French Guiana / File:Flag of Brazil.svg Brazil
32,000
Quaraí –Artigas
File:Flag of Brazil.svg Brazil / File:Flag of Uruguay.svg Uruguay
67,000
Santana do Livramento –Rivera
140,000
Chuí –Chuy
15,592[ 12] [ 13]
Corumbá –Puerto Suárez
File:Flag of Brazil.svg Brazil / File:Flag of Bolivia.svg Bolivia
124,000
Tabatinga –Leticia –Santa Rosa
File:Flag of Brazil.svg Brazil / File:Flag of Colombia.svg Colombia / File:Flag of Peru.svg Peru
107,000
Ponta Porã –Pedro Juan Caballero
File:Flag of Brazil.svg Brazil / File:Flag of Paraguay.svg Paraguay
209,000
Foz do Iguaçu –Ciudad del Este –Puerto Iguazu
File:Flag of Brazil.svg Brazil / File:Flag of Paraguay.svg Paraguay / File:Flag of Argentina.svg Argentina
800,000
Barracão –Dionísio Cerqueira –Bernardo de Irigoyen
File:Flag of Brazil.svg Brazil / File:Flag of Argentina.svg Argentina
36,000
Uruguaiana –Paso de los Libres
170,000
Tulcán –Ipiales
File:Flag of Ecuador.svg Ecuador / File:Flag of Colombia.svg Colombia
190,000
Cúcuta –San Antonio del Táchira
File:Flag of Colombia.svg Colombia / File:Flag of Venezuela.svg Venezuela
700,000 [ 14]
See also
References