Urban area that extends into two or more countries (or dependent territories)
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
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
Democratic Republic of the Congo –Rwanda
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
Main municipalities
Countries
Total population
Astara –Astara
Iran –Azerbaijan
100,000
Basra –Khorramshahr –Abadan
Iraq –Iran
2,000,000
Blagoveshchensk –Heihe
Russia –China
400,000
Dandong –Sinuiju
China –North Korea
1,000,000
Dhahran –Jubail –Manama
Saudi Arabia –Bahrain
2,000,000
Fergana –Kyzyl-Kiya
Uzbekistan –Kyrgyzstan
300,000
Sijori Growth Triangle (Singapore –Johor Bahru –Batam –Bintan )
Singapore –Malaysia –Indonesia
9,000,000
Greater Bay Area (Guangzhou –Dongguan –Shenzhen –Hong Kong –Macau )
China –Hong Kong –Macau
71,200,000
Kara-Suu –Qorasuv
Kyrgyzstan –Uzbekistan
40,000
Lahore –Amritsar
Pakistan –India
12,000,000
Mukdahan –Savannakhet
Thailand –Laos
200,000
Padang Besar –Padang Besar
Malaysia –Thailand
20,000
Tashkent –Saryagash
Uzbekistan –Kazakhstan
3,000,000 [3]
Vientiane –Nong Khai
Laos –Thailand
900,000
Europe
Main municipalities
Countries
Total population[citation needed ]
Øresund Region (Greater Copenhagen and Malmö )
Denmark–Sweden
3,964,522
Baarle-Hertog –Baarle-Nassau
Belgium–Netherlands
9,262
Basel –Huningue –Weil am Rhein (Regio TriRhena )
Switzerland–France–Germany
2,400,000
Bourg-Madame –Puigcerdà
France–Spain
Como –Chiasso (part of Greater Milan )[4]
Italy–Switzerland
189,000[5]
Geneva –Annemasse –Ferney-Voltaire –Nyon (France–Vaud–Geneva basin or Grand Genève )
Switzerland–France
890,000
Gorizia –Nova Gorica
Italy–Slovenia
Görlitz –Zgorzelec
Germany–Poland
85,000
Guben –Gubin
Germany–Poland
35,000
Hendaye –Irun
France–Spain
Ivangorod –Narva
Russia–Estonia
69,000
Komárno –Komárom
Slovakia –Hungary
56,000
Le Perthus –Els Límits
France–Spain
700
Basque Eurocity Bayonne-San Sebastián
France–Spain
620,000
Lille –Roubaix –Tourcoing –Mouscron –Tournai –Kortrijk
France–Belgium
1,850,000
Longwy –Aubange –Pétange
France–Belgium–Luxembourg
80,000
Strasbourg –Kehl
France–Germany
700,000
Konstanz –Kreuzlingen
Germany–Switzerland
110,000
Kerkrade –Herzogenrath
Netherlands–Germany
95,000
Frankfurt (Oder) –Słubice
Germany–Poland
75,000
Haparanda –Tornio
Sweden–Finland
32,000
Pello –Pello
Sweden–Finland
4,500
Karesuando –Karesuvanto
Sweden–Finland
500
Imatra –Svetogorsk
Finland–Russia
45,000
Rousse –Giurgiu
Bulgaria –Romania
250,000
Lifford –Strabane
Ireland –United Kingdom
18,500
Saarbrücken –Forbach
Germany–France
700,000
Salzburg –Freilassing
Austria –Germany
175,000
Slavonski Brod –Brod
Croatia –Bosnia and Herzegovina
110,000
Szczecin
Poland –Germany
763,321
Valka –Valga
Latvia –Estonia
20,000
Vienna –Bratislava
Austria –Slovakia
1,900,000
North America
Main municipalities
Countries
Total population
Paso Canoas
Costa Rica –Panama
9,543
Metro Vancouver –Fraser Valley –Bellingham -Whatcom County
Canada –United States
3,350,000
Detroit–Windsor
United States–Canada
5,976,595
Buffalo -Niagara Region
United States–Canada
1,614,790
Port Huron –Sarnia –Point Edward
United States–Canada
105,776
Sault Ste. Marie –Sault Ste. Marie
United States–Canada
93,944
San Diego–Tijuana
United States–Mexico
5,105,769[6]
Calexico–Mexicali
United States-Mexico
1,143,000
San Luis Río Colorado –San Luis
United States-Mexico
227,000
Nogales –Nogales
United States–Mexico
240,000
El Paso–Juárez
United States–Mexico
2,500,000[7]
Laredo–Nuevo Laredo
United States–Mexico
775,481[8]
Lower Rio Grande Valley
United States–Mexico
2,671,028[9]
Reynosa–McAllen
United States–Mexico
1,500,000[10]
Brownsville–Matamoros
United States–Mexico
1,387,985[11]
South America
Main municipalities
Countries
Total population
Saint-Laurent-du-Maroni –Albina
French Guiana (France )–Suriname
Saint Georges –Oiapoque
French Guiana (France )–Brazil
32,000
Santana do Livramento –Rivera
Brazil –Uruguay
140,000
Chuí –Chuy
Brazil –Uruguay
15,592[12] [13]
Corumbá –Puerto Suárez
Brazil –Bolivia
124,000
Leticia –Tabatinga –Santa Rosa
Colombia –Brazil –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
Bernardo de Irigoyen –Barracão –Dionísio Cerqueira
Argentina –Brazil
36,000
Uruguaiana –Paso de los Libres
Brazil –Argentina
170,000
Tulcán –Ipiales
Ecuador –Colombia
190,000
Cúcuta –San Antonio del Táchira
Colombia –Venezuela
700,000 [14]
See also
References