List of national capitals situated on an international border

This is a list of capital cities of sovereign states that share a border with another sovereign state.

Current capitals

City	Country	Neighboring country	Neighboring city or subdivision	Notes
Andorra la Vella	Andorra	Spain	Les Valls de Valira	Microstate. The microstate as a whole borders several municipalities in the Spanish region of Catalonia and communes in the department of Ariège in France.
Asunción	Paraguay	Argentina	Clorinda	The border runs through the Paraguay River. There is no bridge across the river between the cities; all direct cross-border traffic must travel by ferry. However, travel by road is possible by a circuitous route from the border crossing between Clorinda and José Falcón to Paraguayan Route 9.
Bangui	Central African Republic	Democratic Republic of the Congo	Zongo	The border runs through the River Congo. There is no bridge across the Congo between the cities; all cross-border traffic must travel by ferry.
Bratislava	Slovakia	Austria Hungary	Burgenland (state) Győr-Moson-Sopron (county)	The only capital to border two sovereign states.[1] The border runs partly through the Danube, but swings west to include lands on the right bank of the river in Bratislava. The area the border runs through is rural. There are multiple rail and road links to both Austria and Hungary.
Brazzaville	Republic of the Congo	Democratic Republic of the Congo	Kinshasa	Kinshasa is also the capital of the Democratic Republic of the Congo. The cities are separated by the River Congo. There are no bridges between the twin capitals; all traffic must travel by ferry. A proposal to build a Brazzaville–Kinshasa Bridge received funding in 2018.[2]
Kinshasa	Democratic Republic of the Congo	Republic of the Congo	Brazzaville	Brazzaville is also the capital of the Republic of the Congo. The cities are separated by the River Congo. There are no bridges between the twin capitals; all traffic must travel by ferry. A proposal to build a Brazzaville–Kinshasa Bridge received funding in 2018.[2]
Lomé	Togo	Ghana	Aflao	The cities are connected by road.
Maseru	Lesotho	South Africa	Mantsopa Local Municipality	The border runs through the Caledon River. The South African side of the border is rural. There are road and rail links across the border.
Monaco	Monaco	France	Alpes-Maritimes (department)	Microstate and city-state. The state is surrounded on three sides by various communes of the French department of Alpes-Maritimes (in Provence-Alpes-Côte d'Azur).
N'Djamena	Chad	Cameroon	Kousséri	The border runs through the Chari River. The cities are connected by a bridge.
Rome	Italy	Vatican City	Vatican City	Entirely surrounds the microstate and city-state of Vatican City.
San Marino	San Marino	Italy	Rimini (province)	Microstate. The microstate as a whole borders several municipalities (frazione) in the Italian provinces of Rimini (in Emilia-Romagna) and Pesaro and Urbino (in Marche).
Singapore	Singapore	Malaysia	Iskandar Malaysia (urban agglomeration)	City-state. The border runs through the Straits of Johor. There are multiple rail and road links across the straits. A rapid transit link is planned.
Vaduz	Liechtenstein	Switzerland	Sevelen	Microstate.
Vatican City	Vatican City	Italy	Rome	Microstate and city-state. Entirely surrounded by the City of Rome.
Vientiane	Laos	Thailand	Nong Khai	The border runs through the Mekong River. Nong Khai borders the Vientiane Prefecture but not the historic center of the city. The cities are connected by the First Thai–Lao Friendship Bridge.