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