List of metropolitan areas that overlap multiple countries

See also: Transborder agglomeration

Here is a list of metroplexes that overlap multiple countries:

Excluded from list is:

• City-states being part of the overlap. One example of that would be Rome since Vatican City is isolated within Italy.

Africa

• Brazzaville, the capital of the Republic of the Congo, lies directly across the Congo River from Kinshasa, the capital of the Democratic Republic of the Congo
• Livingstone, Zambia, and Victoria Falls, Zimbabwe
• City of Lomé, the capital of Togo, extends over the border to Ghana

Asia

• Aqaba, Jordan; Eilat, Israel; and Taba, Egypt
• Al Ain, UAE and Al Buraimi, Oman
• The capital of Laos, Vientiane, spills over the Thai–Lao Friendship Bridge (Saphan Mittaphap) to Nong Khai province, Thailand
• Singapore together with Johor Bahru in Malaysia and Riau Islands in Indonesia, also called the Sijori Growth Triangle.
• Hong Kong's metropolitan area spills over its border with Mainland China into Shenzhen and Dongguan.

Europe

Within the European Union

• Vienna-Bratislava metropolitan area overlaps Austria and Slovakia
• Strasbourg-Ortenau metropolitan area, France and Germany
• San Sebastian metropolitan area, Spain and France
• Meuse-Rhine Euroregion extends over Maastricht, Netherlands, Liège, Belgium and Aachen, Germany
• Oresund Region extends over northeast Zealand (Copenhagen), Denmark and western part of Scania, Sweden
• Silesian metropolitan area extends from Katowice with Upper Silesian Metropolis, Poland to Ostrava, Czech Republic. This metropolitan area lies within Upper Silesian Coal Basin.
• Lille metropolitan area, France and Mouscron and Kortrijk, Belgium
• Luxembourg metropolitan area, extends into Belgium, France, and Germany
• Frankfurt (Oder), Germany and Slubice, Poland are one city divided by the river Oder
• Görlitz, Germany and Zgorzelec, Poland are one city divided by the river Nysa
• Cieszyn in Southern Poland and Český Těšín in the Czech Republic are one city divided by the Olza River
• Salzburg in Austria extends to Freilassing, Germany
• Gorizia in Italy and Nova Gorica in Slovenia
• Nice (France) metropolitan area extends from Grasse (France) to Ventimiglia (Italy), also including the Principality of Monaco.
• Komárno in Slovakia and Komárom in Hungary
• Valga in Estonia and Valka in Latvia are one city historically, divided in 1920 by national border
• Saarbrücken metropolitan area, Germany extends into France ( Forbach, Sarreguemines ) .
• Derry metropolitan area, Northern Ireland extends into County Donegal, Republic of Ireland
• Tornio, Finland and Haparanda, Sweden
• Nicosia, Cyprus metropolitan area extends from Republic of Cyprus to the unrecognised Turkish Northern Nicosia.

Elsewhere in Europe

• Milan metropolitan area, Italy extends into Canton Ticino, Switzerland
• Basel metropolitan area, Switzerland extends into France and Germany
• Geneva-Lausanne metropolitan area, Switzerland extends into France
• Iaşi metropolitan area, Romania extends over Prut, including cities like Ungheni from Republica Moldova
• Lower Danube metropolitan area (Brăila-Galaţi (Cantemir) metropolitan area), Romania extends over Danube and Prut, including the Republic of Moldova's urban area of Cantemir-Cahul
• Subotica, Serbia and Szeged, Hungary - urban sprawl between the two close cities

North America

Between Canada and the United States

This list is from west to east:

• Vancouver, British Columbia - extends into Whatcom County, Washington
• Sault Ste. Marie, Michigan and Sault Ste. Marie, Ontario
• Detroit, Michigan and Windsor, Ontario — see also Detroit–Windsor
• Port Huron, Michigan and Sarnia, Ontario areas
• Buffalo-Niagara Falls metropolitan area
• Ogdensburg-Massena, New York (St. Lawrence County) and Cornwall-Prescott, Ontario (micropolitan areas)

Between Mexico and the United States

• San Diego, California, and Tijuana, Baja California — see also San Diego–Tijuana
• El Centro–Calexico, California, and Mexicali, Baja California — see also Mexicali–Calexico
• Yuma, Arizona, and San Luis Río Colorado, Sonora
• Nogales, Arizona, and Nogales, Sonora
• El Paso, Texas, and Ciudad Juárez, Chihuahua — see also El Paso–Juárez
• Del Rio, Texas, and Ciudad Acuña, Coahuila
• Eagle Pass, Texas, and Piedras Negras, Coahuila
• Laredo, Texas, and Nuevo Laredo, Tamaulipas — see also Laredo – Nuevo Laredo Metropolitan Area
• McAllen, Texas, and Reynosa, Tamaulipas
• Brownsville–Harlingen, Texas, and Matamoros, Tamaulipas

South America

• Rivera, Uruguay and Santana do Livramento, Brazil.
• Río Branco, Uruguay and Jaguarão, Brazil.
• Chuy, Uruguay and Chuí, Brazil.
• Ciudad del Este in Paraguay, Foz do Iguaçu in Brazil and Puerto Iguazu in Argentina, also called Triple Frontera or the Tri Border.
• The Tres Fronteras metropolitan area of Tabatinga in Brazil, Leticia in Colombia, and Santa Rosa in Peru form a metropolitan area of nearly 100,000 people.
• The Cúcuta-San Antonio del Táchira area which spans over the Colombia-Venezuela border. It is the most economically active border area in South America.
• Chile Chico, Chile and Los Antiguos, Argentina