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
|
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 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
Main municipalities
|
Countries
|
Total population
|
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
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
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
References