Transborder agglomeration
Encyclopedia
A transborder agglomeration is an agglomeration
Agglomeration
In the study of human settlements, an urban agglomeration is an extended city or town area comprising the built-up area of a central place and any suburbs linked by continuous urban area. In France, INSEE the French Statistical Institute, translate it as "Unité urbaine" which means continuous...

 or conurbation
Conurbation
A conurbation is a region comprising a number of cities, large towns, and other urban areas that, through population growth and physical expansion, have merged to form one continuous urban and industrially developed area...

 that extends into multiple territories, countries
Country
A country is a region legally identified as a distinct entity in political geography. A country may be an independent sovereign state or one that is occupied by another state, as a non-sovereign or formerly sovereign political division, or a geographic region associated with a previously...

 or states
Sovereign state
A sovereign state, or simply, state, is a state with a defined territory on which it exercises internal and external sovereignty, a permanent population, a government, and the capacity to enter into relations with other sovereign states. It is also normally understood to be a state which is neither...

.

Europe

Main principalities Countries Total population
Basel
Basel
Basel or Basle In the national languages of Switzerland the city is also known as Bâle , Basilea and Basilea is Switzerland's third most populous city with about 166,000 inhabitants. Located where the Swiss, French and German borders meet, Basel also has suburbs in France and Germany...

 - Huningue
Huningue
Huningue is a commune in the Haut-Rhin department of Alsace in north-eastern France. Huningue is a northern suburb of the Swiss city of Basel. It also borders Germany . In 2008 it had a population of 6503 people...

 - Weil am Rhein
Weil am Rhein
Weil am Rhein is a German town and commune which is a suburb of the city of Basel in Switzerland. It is situated on the east bank of the River Rhine, and close to the point at which the Swiss, French and German borders meet. It is the most southwesterly town in Germany.-Geography:Weil am Rhein is...

 (Regio TriRhena)
Switzerland, France, Germany 2.3 million
Cieszyn
Cieszyn
Cieszyn is a border-town and the seat of Cieszyn County, Silesian Voivodeship, southern Poland. It has 36,109 inhabitants . Cieszyn lies on the Olza River, a tributary of the Oder river, opposite Český Těšín....

 - Český Těšín
Ceský Tešín
Český Těšín is a town in the Karviná District, Moravian-Silesian Region of the Czech Republic. The town is commonly known in the region as just Těšín . It lies on the west bank of the Olza River, in the heart of the historical region of Cieszyn Silesia...

Poland, Czech Republic
Sarrebruck - Forbach
Forbach
Forbach is a commune in the Moselle department in Lorraine in north-eastern France.It is located near the German border. Population : 22,784....

France, Germany 700,000
Geneva
Geneva
Geneva In the national languages of Switzerland the city is known as Genf , Ginevra and Genevra is the second-most-populous city in Switzerland and is the most populous city of Romandie, the French-speaking part of Switzerland...

 - Annemasse
Annemasse
Annemasse is a commune in the Haute-Savoie department in the Rhône-Alpes region in south-eastern France.It lies on the border with Switzerland. It is the second town in the Haute-Savoie department with a population estimated to 29'450 in 2010.-Geography:...

 - Ferney-Voltaire
Ferney-Voltaire
Ferney-Voltaire is a commune in the Ain department in eastern France.It lies between the Jura mountains and the Swiss border and forms part of the metropolitan area of Geneva.-History:...

 - Nyon
Nyon
Nyon is a municipality in the district of Nyon in the canton of Vaud in Switzerland. It is located some 25 kilometers north east of Geneva's city centre, and since the 1970s it has become part of the Geneva metropolitan area. It lies on the shores of Lake Geneva, and is the seat of the district of...

 (France-Vaud-Geneva basin)
Switzerland, France 750,000
Gorizia
Gorizia
Gorizia is a town and comune in northeastern Italy, in the autonomous region of Friuli Venezia Giulia. It is located at the foot of the Julian Alps, bordering Slovenia. It is the capital of the Province of Gorizia, and it is a local center of tourism, industry, and commerce. Since 1947, a twin...

 - Nova Gorica
Nova Gorica
Nova Gorica ; 21,082 ; 31,000 ) is a town and a municipality in western Slovenia, on the border with Italy...

Italy, Slovenia
Slovenia
Slovenia , officially the Republic of Slovenia , is a country in Central and Southeastern Europe touching the Alps and bordering the Mediterranean. Slovenia borders Italy to the west, Croatia to the south and east, Hungary to the northeast, and Austria to the north, and also has a small portion of...

Görlitz
Görlitz
Görlitz is a town in Germany. It is the easternmost town in the country, located on the Lusatian Neisse River in the Bundesland of Saxony. It is opposite the Polish town of Zgorzelec, which was a part of Görlitz until 1945. Historically, Görlitz was in the region of Upper Lusatia...

 - Zgorzelec
Zgorzelec
Zgorzelec is a town in south-western Poland with 33,278 inhabitants . It lies in Lower Silesian Voivodeship . It is the seat of Zgorzelec County, and also of the smaller district of Gmina Zgorzelec...

Germany, Poland
Hendaye
Hendaye
Hendaye is the most south-westerly town and commune in France, lying in the Pyrénées-Atlantiques department and located in the traditional province Lapurdi of the French Basque Country...

 - Irun
Irun
Irun is a town of the Bidasoa-Txingudi region in the province of Gipuzkoa in the Basque Autonomous Community, Spain...

France, Spain
Lille
Lille
Lille is a city in northern France . It is the principal city of the Lille Métropole, the fourth-largest metropolitan area in the country behind those of Paris, Lyon and Marseille. Lille is situated on the Deûle River, near France's border with Belgium...

 - Roubaix
Roubaix
Roubaix is a commune in the Nord department in northern France. It is located between the cities of Lille and Tourcoing.The Gare de Roubaix railway station offers connections to Lille, Tourcoing, Antwerp, Ostend and Paris.-Culture:...

 - Tourcoing
Tourcoing
Tourcoing is a city in northern France. It is designated municipally as a commune within the département of Nord.Tourcoing is situated near the cities of Lille and Roubaix and the Belgian border.-Main sights:...

 - Mouscron
Mouscron
Mouscron is a Walloon city and municipality located in the Belgian province of Hainaut. The Mouscron municipality includes the old communes of Dottignies , Luingne, and Herseaux .-Middle Ages:...

 - Tournai
Tournai
Tournai is a Walloon city and municipality of Belgium located 85 kilometres southwest of Brussels, on the river Scheldt, in the province of Hainaut....

 - Kortrijk
Kortrijk
Kortrijk ; , ; ) is a Belgian city and municipality located in the Flemish province West Flanders...

France, Belgium 1.85 million
Longwy
Longwy
Longwy is a commune in the Meurthe-et-Moselle department in north-eastern France.The inhabitants are known as Longoviciens.-Economy:Longwy has historically been an industrial center of the Lorraine iron mining district. The town is known for its artistic glazed pottery.-History:Longwy initially...

 - Aubange
Aubange
Aubange is a Walloon municipality of Belgium located in the province of Luxembourg....

 - Pétange
Pétange
Pétange is a commune and town in south-western Luxembourg. It is part of the canton of Esch-sur-Alzette, which is part of the district of Luxembourg. Pétange lies on the borders with both Belgium and France....

France, Belgium, Luxembourg
Luxembourg
Luxembourg , officially the Grand Duchy of Luxembourg , is a landlocked country in western Europe, bordered by Belgium, France, and Germany. It has two principal regions: the Oesling in the North as part of the Ardennes massif, and the Gutland in the south...

80,000
Strasbourg
Strasbourg
Strasbourg is the capital and principal city of the Alsace region in eastern France and is the official seat of the European Parliament. Located close to the border with Germany, it is the capital of the Bas-Rhin département. The city and the region of Alsace are historically German-speaking,...

 - Kehl
Kehl
Kehl is a town in southwestern Germany in the Ortenaukreis, Baden-Württemberg. It is located on the river Rhine, directly opposite the French city of Strasbourg.-History:...

France, Germany 700,000
Konstanz
Konstanz
Konstanz is a university city with approximately 80,000 inhabitants located at the western end of Lake Constance in the south-west corner of Germany, bordering Switzerland. The city houses the University of Konstanz.-Location:...

 - Kreuzlingen
Kreuzlingen
Kreuzlingen is a municipality in the district of Kreuzlingen in the canton of Thurgau in north-eastern Switzerland. It is the seat of the district and is the second largest city of the canton, after Frauenfeld, with a population of over 18,000...

Germany, Switzerland 110,000
Kerkrade
Kerkrade
Kerkrade is a town and a municipality in the southeastern Netherlands.It is the western half of the divided region and de facto city, taken together with the eastern half, the German town of Herzogenrath...

 - Herzogenrath
Herzogenrath
Herzogenrath is a municipality in the district of Aachen in the German state of North Rhine-Westphalia. It borders the Dutch town of Kerkrade, the national border in one section running along the middle of a main road.-History:...

Netherlands, Germany 95,000
Frankfurt (Oder)
Frankfurt (Oder)
Frankfurt is a town in Brandenburg, Germany, located on the Oder River, on the German-Polish border directly opposite the town of Słubice which was a part of Frankfurt until 1945. At the end of the 1980s it reached a population peak with more than 87,000 inhabitants...

 - Słubice
Germany, Poland 75,000
Haparanda
Haparanda
Haparanda is a locality and the seat of Haparanda Municipality in Norrbotten County, Sweden with 4,778 inhabitants in 2005. It is adjacent to Tornio, Finland...

 - Tornio
Tornio
Tornio is a town and municipality in Lapland, Finland. The municipality covers an area of of which is water. The population density is , with a total population of . It borders to the Swedish municipality of Haparanda...

Sweden, Finland 32,000
Pello
Pello, Övertorneå
Pello is a minor locality in Övertorneå Municipality, Norrbotten County, Sweden. It is located on the shore of the Torne River opposite to Pello, Finland. The locality has a population of 193 inhabitants ....

 - Pello
Pello
Pello is a municipality of Finland.It is located approximately north of the Arctic Circle in the western partprovince of Lapland and is part of the Lapland region. The municipality is at the national border with Sweden by the Tornionjoki-river. The municipality has a population of and covers an...

Sweden, Finland 4,500
Karesuando
Karesuando
Karesuando is the northernmost locality situated in Kiruna Municipality, Norrbotten County, Sweden with 313 inhabitants in 2005....

 - Karesuvanto
Karesuvanto
Karesuvanto, also Kaaresuvanto, is a village in the Enontekiö municipality of the Lapland region in northern Finland, located on the Muonio River which forms the border with Sweden....

Sweden, Finland 500
Imatra
Imatra
Imatra is a town and municipality in eastern Finland, founded in 1948 around three industrial settlements near the Finnish–Russian border. In the course of the last 50 years, this amorphous group of settlements has grown into a modern industrial town dominated by Lake Saimaa, the Vuoksi River and...

 - Svetogorsk
Svetogorsk
Svetogorsk is an industrial town in Vyborgsky District of Leningrad Oblast, Russia, situated on the Karelian Isthmus, on the Vuoksa River. It is located one kilometer from the Russian–Finnish border, five kilometers from the Finnish town of Imatra, and 207 kilometers from St. Petersburg...

Finland, Russia 45,000
Rousse
Rousse
Ruse is the fifth-largest city in Bulgaria. Ruse is situated in the northeastern part of the country, on the right bank of the Danube, opposite the Romanian city of Giurgiu, from the capital Sofia and from the Bulgarian Black Sea Coast...

 - Giurgiu
Giurgiu
Giurgiu is the capital city of Giurgiu County, Romania, in the Greater Wallachia. It is situated amid mud-flats and marshes on the left bank of the Danube facing the Bulgarian city of Rousse on the opposite bank. Three small islands face the city, and a larger one shelters its port, Smarda...

Bulgaria
Bulgaria
Bulgaria , officially the Republic of Bulgaria , is a parliamentary democracy within a unitary constitutional republic in Southeast Europe. The country borders Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, as well as the Black Sea to the east...

, Romania
Romania
Romania is a country located at the crossroads of Central and Southeastern Europe, on the Lower Danube, within and outside the Carpathian arch, bordering on the Black Sea...

250,000
Lifford
Lifford
Lifford is the county town of County Donegal, Ireland. It is the administrative capital of the county and the seat of Donegal County Council, although the town of Letterkenny is often mistaken for fulfilling this role...

 - Strabane
Strabane
Strabane , historically spelt Straban,is a town in west County Tyrone, Northern Ireland. It contains the headquarters of Strabane District Council....

Ireland
Republic of Ireland
Ireland , described as the Republic of Ireland , is a sovereign state in Europe occupying approximately five-sixths of the island of the same name. Its capital is Dublin. Ireland, which had a population of 4.58 million in 2011, is a constitutional republic governed as a parliamentary democracy,...

, United Kingdom
Northern Ireland
Northern Ireland is one of the four countries of the United Kingdom. Situated in the north-east of the island of Ireland, it shares a border with the Republic of Ireland to the south and west...

18,500
Valka
Valka
Valka is a town in northern Latvia, on the border with Estonia.Valka and the Estonian town Valga are twins, separated by the Estonian/Latvian border but using the slogan "One Town, Two States". The border dividing the Livonian town of Walk was marked out in 1920 by an international jury headed by...

 - Valga
Valga
Valga is a town in southern Estonia and the capital of Valga County. Until their separation in 1920, Valga and the town of Valka in northern Latvia were one town. They are now twin-towns. The area of Valga is 16.5 km² and that of Valka is 14.2 km². Their populations are respectively...

Latvia
Latvia
Latvia , officially the Republic of Latvia , is a country in the Baltic region of Northern Europe. It is bordered to the north by Estonia , to the south by Lithuania , to the east by the Russian Federation , to the southeast by Belarus and shares maritime borders to the west with Sweden...

, Estonia
Estonia
Estonia , officially the Republic of Estonia , is a state in the Baltic region of Northern Europe. It is bordered to the north by the Gulf of Finland, to the west by the Baltic Sea, to the south by Latvia , and to the east by Lake Peipsi and the Russian Federation . Across the Baltic Sea lies...

20,000

North America

Main principalities Countries Total population
Detroit - Windsor
Windsor, Ontario
Windsor is the southernmost city in Canada and is located in Southwestern Ontario at the western end of the heavily populated Quebec City – Windsor Corridor. It is within Essex County, Ontario, although administratively separated from the county government. Separated by the Detroit River, Windsor...

United States, Canada 5,700,000
Niagara Falls
Niagara Falls, New York
Niagara Falls is a city in Niagara County, New York, United States. As of the 2010 census, the city had a total population of 50,193, down from the 55,593 recorded in the 2000 census. It is across the Niagara River from Niagara Falls, Ontario , both named after the famed Niagara Falls which they...

 - Niagara Falls
Niagara Falls, Ontario
Niagara Falls is a Canadian city on the Niagara River in the Golden Horseshoe region of Southern Ontario. The municipality was incorporated on June 12, 1903...

United States, Canada 138,000
Port Huron
Port Huron, Michigan
Port Huron is a city in the U.S. state of Michigan and the county seat of St. Clair County. The population was 30,184 at the 2010 census. The city is adjacent to Port Huron Township but is administratively autonomous. It is joined by the Blue Water Bridge over the St. Clair River to Sarnia,...

 - Sarnia
Sarnia, Ontario
Sarnia is a city in Southern Ontario, Canada . It is the largest city on Lake Huron and is located where the upper Great Lakes empty into the St. Clair River....

/Point Edward
Point Edward, Ontario
Point Edward is a village in the Canadian province of Ontario. Adjacent to the city of Sarnia in Lambton County, Point Edward sits opposite Port Huron, Michigan at the mouth of the St. Clair River...

United States, Canada 105,776
International Falls
International Falls, Minnesota
International Falls is a city in and the county seat of Koochiching County, Minnesota, United States. The population was 6,424 at the 2010 census....

 - Fort Frances
Fort Frances, Ontario
Fort Frances is a town in, and the seat of, Rainy River District in Northwestern Ontario, Canada. The population as of the 2006 census was 8,103 and Fort Frances' population peaked in 1971 at 9,947...

United States, Canada 15,000
Buffalo
Buffalo, New York
Buffalo is the second most populous city in the state of New York, after New York City. Located in Western New York on the eastern shores of Lake Erie and at the head of the Niagara River across from Fort Erie, Ontario, Buffalo is the seat of Erie County and the principal city of the...

 - Fort Erie
Fort Erie, Ontario
Fort Erie is a town on the Niagara River in the Niagara Region, Ontario, Canada. It is located directly across the river from Buffalo, New York....

United States, Canada
Sault Ste. Marie
Sault Ste. Marie, Michigan
Sault Ste. Marie is a city in and the county seat of Chippewa County in the U.S. state of Michigan. It is in the north-eastern end of Michigan's Upper Peninsula, on the Canadian border, separated from its twin city of Sault Ste. Marie, Ontario, by the St. Marys River...

 - Sault Ste. Marie
Sault Ste. Marie, Ontario
Sault Ste. Marie is a city on the St. Marys River in Algoma District, Ontario, Canada. It is the third largest city in Northern Ontario, after Sudbury and Thunder Bay, with a population of 74,948. The community was founded as a French religious mission: Sault either means "jump" or "rapids" in...

United States, Canada
San Diego–Tijuana United States, Mexico 5,105,769
Calexico
Calexico, California
Calexico is a city in Imperial County, California. The population was 38,572 at the 2010 census, up from 27,109 at the 2000 census. Calexico is about east of San Diego and west of Yuma, Arizona...

 - Mexicali
Mexicali
Mexicali is the capital of the State of Baja California, seat of the Municipality of Mexicali, and 2nd largest city in Baja California. The City of Mexicali has a population of 689,775, according to the 2010 census, while the population of the entire metropolitan area reaches 936,826.The city...

United States, Mexico
San Luis
San Luis, Arizona
San Luis is a city in Yuma County, Arizona, United States. The population was 15,322 at the 2000 census. It is part of the Yuma Metropolitan Statistical Area. San Luis was the second fastest-growing place among all cities and towns in Arizona of any size from 1990 and 2000...

 - San Luis Río Colorado
San Luis Río Colorado
San Luis Río Colorado is a city and its surrounding municipality lying in the northwestern corner of the state of Sonora, Mexico.- Location :...

United States, Mexico
Lukeville - Sonoita
Sonoita
Sonoyta, Sonora is a town in the northern Mexican state of Sonora. It stands on the U.S.-Mexico border, facing Lukeville, Arizona, in the United States. It is the municipal seat of the municipality of Plutarco Elías Calles.-Demographics:...

United States, Mexico
Sasabe
Sasabe, Arizona
Sasabe is a small unincorporated border community in the Altar Valley of southern Pima County, Arizona, United States. It hosts a little-used United States–Mexico border crossing...

 - Sáric
Sáric
Sáric is a small town and the municipal area around it, located in the extreme north of the Mexican state of Sonora. Its northern boundary is the U.S. state of Arizona. The population of the municipality was 2,703 in 2010 living in an area of 1,676.23 square kilometers. The elevation is...

United States, Mexico
Nogales
Nogales, Arizona
Nogales is a city in Santa Cruz County, Arizona, United States. The population was 21,017 at the 2010 census. According to 2005 Census Bureau estimates, the population of the city is 20,833. The city is the county seat of Santa Cruz County....

 - Nogales
Nogales, Sonora
Heroica Nogales , more commonly known as Nogales, is a city and its surrounding municipality on the northern border of the Mexican State of Sonora. The municipality covers an area of 1,675 km², and borders to the north the city of Nogales, Arizona, United States, across the U.S.-Mexico border...

United States, Mexico
Naco
Naco, Arizona
Naco is a census-designated place in Cochise County, Arizona, United States. Its population was 833 at the 2000 census. It is across the United States–Mexico border from Naco, Sonora. The Naco port of entry is open 24 hours per day....

 - Naco
Naco, Sonora
Naco is a Mexican town and municipality located in the northeast part of Sonora state on the border with the United States. It is directly across from the unincorporated town of Naco, Arizona. The name Naco comes from the Opata language and means nopal cactus. The town saw fighting during the...

United States, Mexico
Douglas
Douglas, Arizona
Douglas is a city in Cochise County, Arizona, United States. Douglas has a border crossing with Mexico and a history of mining.The population was 14,312 at the 2000 census...

 - Agua Prieta
Agua Prieta
Agua Prieta is a pueblo and municipality in the northeastern corner of the Mexican state of Sonora . It stands on the U.S.–Mexico border, adjacent to the town of Douglas, Arizona, USA. The municipality covers an area of 3,631.65 km²...

United States, Mexico
El Paso–Juárez
El Paso–Juárez
El Paso–Juárez, also known as Juárez-El Paso, the Borderplex or Paso del Norte, is a binational metropolitan area, or conurbation, on the border between Mexico and the United States. The region is centered on two large cities: Ciudad Juárez, Chihuahua, Mexico and El Paso, Texas, USA...

United States, Mexico 2,500,000
Presidio
Presidio, Texas
Presidio is a city in Presidio County, Texas, United States. It stands on the Rio Grande , on the opposite side of the U.S.-Mexico border from Ojinaga, Chihuahua. The population was 4,167 at the 2000 census....

 - Ojinaga
Ojinaga
Ojinaga Municipality is one of the 67 municipalities of Chihuahua, in northern Mexico. The municipal seat lies at Ojinaga, a rural bordertown on the U.S.-Mexico border...

United States, Mexico
Del Rio
Del Rio, Texas
Del Rio is a border city in and the county seat of Val Verde County, Texas, United States.. Del Rio is connected with Ciudad Acuña via the Lake Amistad Dam International Crossing and Del Río-Ciudad Acuña International Bridge...

 - Ciudad Acuña
Ciudad Acuña
Ciudad Acuña, also known simply as Acuña, is a city located in the Mexican state of Coahuila, at and a mean height above sea level of 271 meters...

United States, Mexico
Eagle Pass
Eagle Pass, Texas
Eagle Pass is a city in and the county seat of Maverick County The population was 27,183 as of the 2010 census.Eagle Pass borders the city of Piedras Negras, Coahuila, Mexico, which is to the southwest and across the Rio Grande. The Eagle Pass-Piedras Negras Metropolitan Area is one of six...

 - Piedras Negras
Piedras Negras, Coahuila
-Natural Resources:This region generates a large amount of the national production of coal, one of the most economically important non-metallic minerals in the state.-Tourism:Piedras Negras' main tourist attractions are:...

United States, Mexico
Laredo – Nuevo Laredo United States, Mexico 775 481
Rio Grande City - Camargo
Camargo
Camargo may refer to one of these places:Places Bolivia:* Camargo, Chuquisaca Brazil:* Camargo, Rio Grande do Sul Mexico:* Camargo, Chihuahua* Camargo, Tamaulipas Spain:...

United States, Mexico
Reynosa - McAllen Metropolitan Area United States, Mexico 1,700,000
Matamoros—Brownsville Metropolitan Area United States, Mexico 1,136,995

South America

Main principalities Countries Total population
Saint-Laurent-du-Maroni
Saint-Laurent-du-Maroni
Saint-Laurent-du-Maroni is a commune of French Guiana, an overseas region and department of France located in South America. Saint-Laurent-du-Maroni is one of the two sub-prefectures of French Guiana and the seat of the Arrondissement of Saint-Laurent-du-Maroni...

 - Albina
Albina, Suriname
Albina is a town in eastern Suriname, and is capital of the Marowijne District. The town lies on the west bank of the Marowijne river , which forms the border with French Guiana, directly opposite the French Guianan town of Saint-Laurent-du-Maroni, to which it is connected by a frequent ferry...

French Guiana (France), Suriname
Suriname
Suriname , officially the Republic of Suriname , is a country in northern South America. It borders French Guiana to the east, Guyana to the west, Brazil to the south, and on the north by the Atlantic Ocean. Suriname was a former colony of the British and of the Dutch, and was previously known as...

Saint-Georges-de-l'Oyapock - Oiapoque
Oiapoque
Oiapoque is a municipality in the north of the state of Amapá, Brazil. Its population is 11,449 and its area is 22,625 km². Oiapoque is also a major river in the same state, forming the international border with French Guiana...

French Guiana (France), Brazil
Brazil
Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

Santana do Livramento - Rivera Brazil
Brazil
Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

, Uruguay
Chuí - Chuy Brazil
Brazil
Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

, Uruguay
Corumbá - Puerto Suárez Brazil
Brazil
Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

, Bolivia
Leticia - Tabatinga
Tabatinga
Tabatinga is a municipality in the Três Fronteiras area of Northwestern Brazil. It is located in the Brazilian state of Amazonas. Its population was 45,293...

 - Santa Rosa
Santa Rosa
Santa Rosa is the Spanish and Portuguese name for Saint Rose. It may also refer to:-Places: Argentina:*Santa Rosa, La Pampa*Santa Rosa de Calamuchita *Santa Rosa de Calchines *Santa Rosa de Río Primero...

Colombia
Colombia
Colombia, officially the Republic of Colombia , is a unitary constitutional republic comprising thirty-two departments. The country is located in northwestern South America, bordered to the east by Venezuela and Brazil; to the south by Ecuador and Peru; to the north by the Caribbean Sea; to the...

 - Brazil
Brazil
Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

 - Peru
Peru
Peru , officially the Republic of Peru , is a country in western South America. It is bordered on the north by Ecuador and Colombia, on the east by Brazil, on the southeast by Bolivia, on the south by Chile, and on the west by the Pacific Ocean....

Ponta Porã
Ponta Porã
Ponta Porã is a municipality located in the Brazilian state of Mato Grosso do Sul. Its population is 68,317 and its area is 5,329 km²...

 - Pedro Juan Caballero
Pedro Juan Caballero
Pedro Juan Caballero may refer to:*Pedro Juan Caballero , leader of Paraguayan independence*Pedro Juan Caballero, Paraguay, a city...

Brazil
Brazil
Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

, Paraguay
Paraguay
Paraguay , officially the Republic of Paraguay , is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to the east and northeast, and Bolivia to the northwest. Paraguay lies on both banks of the Paraguay River, which runs through the center of the...

Foz do Iguaçu
Foz do Iguaçu
Foz do Iguaçu is the 7th largest city in Paraná state, Brazil, with a population of 255,900 inhabitants. It is located approximately 650 km west of Curitiba, Parana's capital city, being the westernmost city in that state...

 - Ciudad del Este
Ciudad del Este
Ciudad del Este is the second largest city in Paraguay and capital of Alto Paraná department, located at the Rio Paraná....

Brazil
Brazil
Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

, Paraguay
Paraguay
Paraguay , officially the Republic of Paraguay , is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to the east and northeast, and Bolivia to the northwest. Paraguay lies on both banks of the Paraguay River, which runs through the center of the...

700,000

Asia

Main principalities Countries Total population
Dandong
Dandong
Dandong , previously known as Andong and Antung, is a city in Liaoning Province, Northeast China. It lies on the border between China and North Korea, which is marked by the Yalu River, and is the largest border city in China. Also, to the southwest of the city, the river flows into Korea Bay...

 - Sinuiju
Sinuiju
Sinŭiju is a city in North Korea, neighboring with Dandong City, China via international border and is the capital of North P'yŏngan Province...

China
People's Republic of China
China , officially the People's Republic of China , is the most populous country in the world, with over 1.3 billion citizens. Located in East Asia, the country covers approximately 9.6 million square kilometres...

, North Korea
North Korea
The Democratic People’s Republic of Korea , , is a country in East Asia, occupying the northern half of the Korean Peninsula. Its capital and largest city is Pyongyang. The Korean Demilitarized Zone serves as the buffer zone between North Korea and South Korea...

Singapore
Singapore
Singapore , officially the Republic of Singapore, is a Southeast Asian city-state off the southern tip of the Malay Peninsula, north of the equator. An island country made up of 63 islands, it is separated from Malaysia by the Straits of Johor to its north and from Indonesia's Riau Islands by the...

 - Johor Bahru
Johor Bahru
Johor Bahru is the capital city of Johor in southern Malaysia. Johor Bahru is the southernmost city of the Eurasian mainland...

Singapore
Singapore
Singapore , officially the Republic of Singapore, is a Southeast Asian city-state off the southern tip of the Malay Peninsula, north of the equator. An island country made up of 63 islands, it is separated from Malaysia by the Straits of Johor to its north and from Indonesia's Riau Islands by the...

, Malaysia
7,000,000
Hong Kong
Hong Kong
Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...

 - Shenzhen
Shenzhen
Shenzhen is a major city in the south of Southern China's Guangdong Province, situated immediately north of Hong Kong. The area became China's first—and one of the most successful—Special Economic Zones...

Hong Kong - Mainland China
Mainland China
Mainland China, the Chinese mainland or simply the mainland, is a geopolitical term that refers to the area under the jurisdiction of the People's Republic of China . According to the Taipei-based Mainland Affairs Council, the term excludes the PRC Special Administrative Regions of Hong Kong and...

19,000,000
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