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 municipalitiesCountriesTotal population Kinshasa–Brazzaville / 19,547,463 Bukavu–Cyangugu / 1,200,000 Goma–Gisenyi756,323Abidjan–Lagos / / / / 27,000,000Lomé–Aflao / 1,544,206N'Djamena–Kousséri / 1,694,819Ceuta-Fnideq / 161,658
Asia Main municipalitiesCountriesTotal populationAstara and Astara– 100,000Khorramshahr–Abadan–Basra–2,000,000Dhahran–Jubail–Manama–2,000,000Tashkent–Saryagash–3,000,000Fergana and Kyzyl-Kiya –300,000Qorasuv and Kara-Suu40,000Heihe–Blagoveshchensk–400,000Dandong–Sinuiju–1,000,000Greater Bay Area (Guangzhou–Dongguan–Shenzhen–Hong Kong–Macau––71,200,000Sijori Growth Triangle (Singapore–Johor Bahru–Batam–Bintan)––9,000,000Padang Besar and Padang Besar–20,000Vientiane–Nong Khai–900,000Al Ain and Al-Buraimi–968,589Savannakhet–Mukdahan–200,000
Europe
Main municipalitiesCountriesTotal populationØresund Region (Greater Copenhagen and Malmö)–3,964,522Haparanda–Tornio–32,000Pello (Pello, Övertorneå and Pello, Finland)4,500Karesuando–Karesuvanto500Imatra and Svetogorsk–45,000Ivangorod–Narva–69,000Valga–Valka–20,000Como–Chiasso (part of Greater Milan)–189,000Gorizia–Nova Gorica–Basel–Huningue–Weil am Rhein (Trinational Eurodistrict of Basel)––2,400,000Geneva–Annemasse–Ferney-Voltaire–Nyon (Grand Genève)–890,000 Kreuzlingen–Konstanz–110,000Basque Eurocity Bayonne-San Sebastián –620,000Le Perthus–Els Límits700Bourg-Madame–PuigcerdàHendaye–IrunLille–Roubaix–Tourcoing–Mouscron–Tournai–Kortrijk (Eurometropolis Lille–Kortrijk–Tournai)–1,850,000Longwy–Aubange–Pétange––80,000Strasbourg–Kehl (Strasbourg-Ortenau Eurodistrict) –700,000Forbach–Saarbrücken700,000Monaco–Beausoleil–Cap-d'Ail–55,344La Línea de la Concepción–Gibraltar–95,628Baarle (Baarle-Hertog–Baarle-Nassau)–9,262Görlitz–Zgorzelec –85,000Guben–Gubin35,000Frankfurt (Oder)–Słubice75,000Szczecin763,321Cieszyn–Český Těšín–57,000Herzogenrath–Kerkrade–95,000Freilassing–Salzburg–175,000Vienna–Bratislava–2,400,000Komárom–Komárno–56,000Rousse–Giurgiu–250,000Lifford–Strabane–18,500Brod–Slavonski Brod–110,000Zvornik–Mali Zvornik–70,000Gradiška–Stara Gradiška–53,000Novi Grad–Dvor–30,000Dubica–Hrvatska Dubica–23,000Kostajnica–Hrvatska Kostajnica–8,000
North America Main municipalitiesCountriesTotal populationPaso Canoas / 9,543 Metro Vancouver–Fraser Valley–Bellingham-Whatcom County / 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 93,944San Diego–Tijuana / 5,105,769Calexico–Mexicali1,143,000San Luis Río Colorado–San Luis227,000Nogales–Nogales240,000El Paso–Juárez2,500,000Laredo–Nuevo Laredo775,481Lower Rio Grande Valley 2,671,028Reynosa–McAllen1,500,000Brownsville–Matamoros 1,387,985
South America Main municipalitiesCountriesTotal populationSaint-Laurent-du-Maroni–Albina / Saint Georges–Oiapoque / 32,000Quaraí–Artigas / 67,000Santana do Livramento–Rivera 140,000Chuí–Chuy15,592Corumbá–Puerto Suárez / 124,000Tabatinga–Leticia–Santa Rosa / / 107,000Ponta Porã–Pedro Juan Caballero / 209,000Foz do Iguaçu–Ciudad del Este–Puerto Iguazu / / 800,000Barracão–Dionísio Cerqueira–Bernardo de Irigoyen / 36,000Uruguaiana–Paso de los Libres 170,000Tulcán–Ipiales / 190,000Cúcuta–San Antonio del Táchira / 700,000 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."
See also Border town Cross-border town naming List of divided cities Metropolitan area
References