• Border polls‎ (23 P)
• Ethnic groups divided by international borders‎ (12 C, 40 P)
• Transboundary environmental issues‎ (4 C, 11 P)
• International border crossings‎ (170 C, 14 P)

A

• Afghanistan–China border‎ (3 P)
• Afghanistan–Iran border‎ (2 C, 6 P)
• Afghanistan–Pakistan border‎ (3 C, 12 P)
• Afghanistan–Soviet Union border‎ (3 C, 5 P)
• Afghanistan–Tajikistan border‎ (1 C, 14 P)
• Afghanistan–Turkmenistan border‎ (1 C, 3 P)
• Afghanistan–Uzbekistan border‎ (1 C, 2 P)
• Albania–Greece border‎ (2 C, 11 P)
• Albania–Italy border‎ (2 P)
• Albania–Kosovo border‎ (1 C, 7 P)
• Albania–Montenegro border‎ (1 C, 7 P)
• Albania–North Macedonia border‎ (1 C, 6 P)
• Albania–Serbia border‎ (1 C, 7 P)
• Albania–Yugoslavia border‎ (2 C, 1 P)
• Algeria–Libya border‎ (1 C, 2 P)
• Algeria–Mali border‎ (1 C, 2 P)
• Algeria–Mauritania border‎ (1 C, 1 P)
• Algeria–Morocco border‎ (1 C, 8 P)
• Algeria–Niger border‎ (1 C, 1 P)
• Algeria–Tunisia border‎ (1 C, 4 P)
• American Samoa–Cook Islands border‎ (2 P)
• American Samoa–Niue border‎ (1 P)
• American Samoa–Samoa border‎ (1 P)
• American Samoa–Tokelau border‎ (1 P)
• Andorra–France border‎ (1 C, 3 P)
• Andorra–Spain border‎ (1 C, 5 P)
• Angola–Democratic Republic of the Congo border‎ (12 P)
• Angola–Namibia border‎ (1 C, 3 P)
• Angola–Republic of the Congo border‎ (2 P)
• Angola–Zambia border‎ (5 P)
• Anguilla–United States Virgin Islands border‎ (1 P)
• Antigua and Barbuda–France border‎ (1 C)
• Argentina–Bolivia border‎ (2 C, 10 P)
• Argentina–Brazil border‎ (3 C, 7 P)
• Argentina–Chile border‎ (6 C, 64 P)
• Argentina–Paraguay border‎ (4 C, 9 P)
• Argentina–Uruguay border‎ (4 C, 8 P)
• Armenia–Azerbaijan border‎ (2 C, 11 P)
• Armenia–Georgia (country) border‎ (2 P)
• Armenia–Iran border‎ (1 C, 2 P)
• Armenia–Turkey border‎ (1 C, 5 P)
• Australia–Indonesia border‎ (1 C, 5 P)
• Australia–East Timor border‎ (6 P)
• Australia–New Caledonia border‎ (2 P)
• Australia–New Zealand border‎ (5 P)
• Australia–Papua New Guinea border‎ (1 P)
• Australia–Solomon Islands border‎ (2 P)
• Austria–Czech Republic border‎ (1 C, 3 P)
• Austria–Czechoslovakia border‎ (2 C)
• Austria–Germany border‎ (3 C, 19 P)
• Austria–Hungary border‎ (1 C, 3 P)
• Austria–Italy border‎ (1 C, 42 P)
• Austria–Liechtenstein border‎ (1 C, 14 P)
• Austria–Slovakia border‎ (1 C, 2 P)
• Austria–Slovenia border‎ (2 C, 9 P)
• Austria–Switzerland border‎ (2 C, 33 P)
• Azerbaijan–Georgia (country) border‎ (5 P)
• Azerbaijan–Iran border‎ (1 C, 6 P)
• Azerbaijan–Russia border‎ (5 P)
• Azerbaijan–Turkey border‎ (3 P)

B

• Bahamas–Cuba border‎ (2 P)
• Bahamas–United States border‎ (2 P)
• Bahrain–Qatar border‎ (2 C, 3 P)
• Bahrain–Saudi Arabia border‎ (2 C, 2 P)
• Bangladesh–India border‎ (4 C, 22 P)
• Bangladesh–Myanmar border‎ (2 C, 8 P)
• Barbados–France border‎ (2 C)
• Barbados–Trinidad and Tobago border‎ (1 P)
• Belarus–Latvia border‎ (5 P)
• Belarus–Lithuania border‎ (15 P)
• Belarus–Poland border‎ (1 C, 8 P)
• Belarus–Russia border‎ (6 P)
• Belarus–Ukraine border‎ (1 C, 9 P)
• Belgium–France border‎ (1 C, 5 P)
• Belgium–Germany border‎ (1 C, 8 P)
• Belgium–Luxembourg border‎ (1 C, 3 P)
• Belgium–Netherlands border‎ (1 C, 8 P)
• Belize–Guatemala border‎ (1 C, 7 P)
• Belize–Mexico border‎ (1 C, 3 P)
• Benin–Burkina Faso border‎ (3 P)
• Benin–Niger border‎ (1 C, 4 P)
• Benin–Nigeria border‎ (1 C, 3 P)
• Benin–Togo border‎ (1 C, 5 P)
• Bhutan–China border‎ (1 C, 13 P)
• Bhutan–India border‎ (1 C, 6 P)
• Bolivia–Brazil border‎ (1 C, 16 P)
• Bolivia–Chile border‎ (3 C, 26 P)
• Bolivia–Paraguay border‎ (2 P)
• Bolivia–Peru border‎ (1 C, 15 P)
• Border assistance missions of the European Union‎ (2 P)
• Borders of Akrotiri and Dhekelia‎ (4 P)
• Bosnia and Herzegovina–Croatia border‎ (1 C, 10 P)
• Bosnia and Herzegovina–Montenegro border‎ (1 C, 5 P)
• Bosnia and Herzegovina–Serbia border‎ (1 C, 4 P)
• Botswana–Namibia border‎ (1 C, 7 P)
• Botswana–South Africa border‎ (1 C, 6 P)
• Botswana–Zambia border‎ (1 C, 1 P)
• Botswana–Zimbabwe border‎ (1 C, 1 P)
• Brazil–Colombia border‎ (1 C, 10 P)
• Brazil–France border‎ (4 P)
• Brazil–Guyana border‎ (1 C, 8 P)
• Brazil–Paraguay border‎ (4 C, 8 P)
• Brazil–Peru border‎ (1 C, 10 P)
• Brazil–Suriname border‎ (2 P)
• Brazil–Uruguay border‎ (2 C, 15 P)
• Brazil–Venezuela border‎ (1 C, 7 P)
• British Virgin Islands–Puerto Rico border‎ (1 P)
• British Virgin Islands–United States Virgin Islands border‎ (1 P)
• Brunei–Malaysia border‎ (1 C, 9 P)
• Bulgaria–Greece border‎ (3 C, 11 P)
• Bulgaria–North Macedonia border‎ (2 C, 6 P)
• Bulgaria–Romania border‎ (1 C, 6 P)
• Bulgaria–Serbia border‎ (1 C, 12 P)
• Bulgaria–Turkey border‎ (1 C, 3 P)
• Burkina Faso–Ivory Coast border‎ (1 C, 2 P)
• Burkina Faso–Ghana border‎ (1 C, 4 P)
• Burkina Faso–Mali border‎ (1 C, 6 P)
• Burkina Faso–Niger border‎ (4 P)
• Burkina Faso–Togo border‎ (1 C, 2 P)
• Burundi–Democratic Republic of the Congo border‎ (1 C, 2 P)
• Burundi–Rwanda border‎ (1 C, 3 P)
• Burundi–Tanzania border‎ (4 P)

C

• Cambodia–Laos border‎ (3 P)
• Cambodia–Thailand border‎ (1 C, 18 P)
• Cambodia–Vietnam border‎ (1 C, 3 P)
• Cameroon–Central African Republic border‎ (1 C, 4 P)
• Cameroon–Chad border‎ (1 C, 5 P)
• Cameroon–Equatorial Guinea border‎ (1 C, 2 P)
• Cameroon–Gabon border‎ (1 C, 1 P)
• Cameroon–Nigeria border‎ (12 P)
• Cameroon–Republic of the Congo border‎ (1 C, 2 P)
• Canada–Greenland border‎ (3 C, 10 P)
• Canada–Saint Pierre and Miquelon border‎ (4 P)
• Canada–United States border‎ (10 C, 154 P)
• Central African Republic–Chad border‎ (1 C, 4 P)
• Central African Republic–Democratic Republic of the Congo border‎ (1 C, 3 P)
• Central African Republic–Republic of the Congo border‎ (1 C, 1 P)
• Central African Republic–South Sudan border‎ (2 P)
• Central African Republic–Sudan border‎ (1 C, 1 P)
• Chad–Libya border‎ (1 C, 3 P)
• Chad–Niger border‎ (2 P)
• Chad–Nigeria border‎ (2 P)
• Chad–Sudan border‎ (1 C, 4 P)
• Chile–Peru border‎ (1 C, 11 P)
• China–India border‎ (6 C, 44 P)
• China–Kazakhstan border‎ (1 C, 6 P)
• China–Kyrgyzstan border‎ (1 C, 4 P)
• China–Laos border‎ (2 P)
• China–Mongolia border‎ (1 C, 6 P)
• China–Myanmar border‎ (1 C, 18 P)
• China–Nepal border‎ (1 C, 20 P)
• China–North Korea border‎ (1 C, 12 P)
• China–Pakistan border‎ (1 C, 15 P)
• China–Russia border‎ (2 C, 18 P)
• China–Soviet Union border‎ (4 C, 5 P)
• China–Tajikistan border‎ (1 C, 5 P)
• China–Vietnam border‎ (3 C, 6 P)
• Colombia–Ecuador border‎ (1 C, 8 P)
• Colombia–Panama border‎ (1 C, 4 P)
• Colombia–Peru border‎ (2 C, 6 P)
• Colombia–Venezuela border‎ (3 C, 22 P)
• Cook Islands–French Polynesia border‎ (1 P)
• Costa Rica–Nicaragua border‎ (1 C, 4 P)
• Costa Rica–Panama border‎ (1 C, 3 P)
• Croatia–Hungary border‎ (1 C, 3 P)
• Croatia–Montenegro border‎ (1 C, 1 P)
• Croatia–Serbia border‎ (1 C, 18 P)
• Croatia–Slovenia border‎ (1 C, 17 P)
• Cuba–Haiti border‎ (2 P)
• Cuba–Jamaica border‎ (2 P)
• Cuba–United States border‎ (5 P)
• Czech Republic–Germany border‎ (1 C, 21 P)
• Czech Republic–Poland border‎ (1 C, 22 P)
• Czech Republic–Slovakia border‎ (1 C, 3 P)
• Czechoslovakia–Poland border‎ (2 C, 2 P)

D

• Democratic Republic of the Congo–Republic of the Congo border‎ (1 C, 3 P)
• Democratic Republic of the Congo–Rwanda border‎ (1 C, 8 P)
• Democratic Republic of the Congo–South Sudan border‎ (1 C, 1 P)
• Democratic Republic of the Congo–Tanzania border‎ (1 P)
• Democratic Republic of the Congo–Uganda border‎ (1 C, 10 P)
• Democratic Republic of the Congo–Zambia border‎ (1 C, 6 P)
• Denmark–Germany border‎ (1 C, 6 P)
• Denmark–Sweden border‎ (1 C, 4 P)
• Djibouti–Eritrea border‎ (2 C, 5 P)
• Djibouti–Ethiopia border‎ (1 C, 3 P)
• Djibouti–Somalia border‎ (1 P)
• Djibouti–Somaliland border‎ (1 C)
• Dominica–France border‎ (2 C)
• Dominican Republic–Haiti border‎ (1 C, 8 P)
• Dominican Republic–Puerto Rico border‎ (1 P)
• Dominican Republic–Turks and Caicos Islands border‎ (1 P)

E

• East Timor–Indonesia border‎ (1 C, 9 P)
• Ecuador–Peru border‎ (1 C, 15 P)
• Egypt–Gaza border‎ (3 C, 5 P)
• Egypt–Israel border‎ (1 C, 6 P)
• Egypt–Libya border‎ (1 C, 2 P)

A

• Afghanistan–China border
• Afghanistan–Iran border
• Afghanistan–Tajikistan border
• Afghanistan–Turkmenistan border
• Afghanistan–Uzbekistan border
• Akharharghat
• Albania–Montenegro border
• Algeria–Libya border
• Algeria–Mali border
• Algeria–Mauritania border
• Algeria–Morocco border
• Algeria–Niger border
• Algeria–Tunisia border
• Algeria–Western Sahara border
• Andorra–France border
• Andorra–Spain border
• Angola–Democratic Republic of the Congo border
• Angola–Republic of the Congo border
• Angola–Zambia border
• Argentina–Bolivia border
• Argentina–Brazil border
• Argentina–Chile border
• Argentina–Paraguay border
• Argentina–Uruguay border
• Armenia–Azerbaijan border
• Armenia–Georgia border
• Armenia–Iran border
• Armenia–Turkey border
• Austria–Germany border
• Austria–Italy border
• Austria–Slovenia border
• Austria–Switzerland border
• Azerbaijan–Georgia border
• Azerbaijan–Iran border
• Azerbaijan–Russia border
• Azerbaijan–Turkey border

B

• Bangladesh–India border
• Bangladesh–Myanmar border
• Belarus–Latvia border
• Belarus–Lithuania border
• Belarus–Poland border
• Belarus–Russia border
• Belarus–Ukraine border
• Belgium–France border
• Belgium–Germany border
• Belgium–Netherlands border
• Belize–Guatemala border
• Belize–Mexico border
• Benin–Burkina Faso border
• Benin–Niger border
• Benin–Nigeria border
• Benin–Togo border
• Bhutan–China border
• Bhutan–India border
• Bolivia–Brazil border
• Bolivia–Chile border
• Borders of Bhutan
• Borders of Israel
• Borders of Malaysia
• Botswana–South Africa border
• Brazil–Colombia border
• Brazil–France border
• Brazil–Paraguay border
• Brazil–Peru border
• Brazil–Uruguay border
• Brazil–Venezuela border
• Brazil–Guyana border
• Brunei–Malaysia border
• Bulgaria–Romania border
• Bulgaria–Turkey border
• Burkina Faso–Ghana border
• Burkina Faso–Ivory Coast border
• Burkina Faso–Mali border
• Burkina Faso–Niger border
• Burkina Faso–Togo border

C

• Cambodia–Laos border
• Cambodia–Thailand border
• Cambodia–Vietnam border
• Cameroon–Central African Republic border
• Cameroon–Chad border
• Cameroon–Nigeria border
• Canada–United States border
• Central African Republic–Chad border
• Central African Republic–Democratic Republic of the Congo border
• Central African Republic–Republic of the Congo border
• Central African Republic–South Sudan border
• Central African Republic–Sudan border
• Chad–Libya border
• Chad–Niger border
• Chad–Nigeria border
• Chad–Sudan border
• Chile–Peru border
• China–Kazakhstan border
• China–Kyrgyzstan border
• China–Laos border
• China–Mongolia border
• China–Myanmar border
• China–Nepal border
• China–North Korea border
• China–Pakistan border
• China–Russia border
• China–Tajikistan border
• China–Vietnam border
• Colombia–Ecuador border
• Colombia–Panama border
• Colombia–Venezuela border
• Costa Rica–Nicaragua border
• Costa Rica–Panama border
• Croatia–Slovenia border
• Czech Republic–Germany border
• Czech Republic–Poland border

D

• Democratic Republic of the Congo–South Sudan border
• Denmark–Germany border
• Denmark–Sweden border
• Diplomacy of the Caspian littoral states
• Djibouti–Ethiopia border
• Dominican Republic–Haiti border
• Durand Line

E

• East Timor–Indonesia border
• Egypt–Gaza border
• Egypt–Israel barrier
• Egypt–Libya border
• Egypt–Sudan border
• El Salvador–Guatemala border
• El Salvador–Honduras border
• Eritrea–Ethiopia border
• Eritrea–Sudan border
• Estonia–Russia border
• Eswatini–South Africa border
• Ethiopia–Kenya border
• Ethiopia–South Sudan border
• Ethiopia–Sudan border
• Ethiopia–Somalia border
• Ethiopia–Somaliland border

F

• Finland–Norway border
• Finland–Russia border
• Finland–Sweden border
• France–Germany border
• France–Italy border
• France–Luxembourg border
• Saint Martin–Sint Maarten border
• France–Spain border
• France–Switzerland border
• France–United Kingdom border

G

• Georgia–Russia border
• Germany–Netherlands border
• Germany–Poland border
• Germany–Switzerland border
• Ghana–Ivory Coast border
• Ghana–Togo border
• Gibraltar–Spain border
• Greece–Turkey border
• Guatemala–Honduras border
• Guatemala–Mexico border
• Guinea-Bissau–Senegal border
• Guinea–Guinea-Bissau border
• Guinea–Ivory Coast border
• Guinea–Liberia border
• Guinea–Mali border
• Guinea–Senegal border
• Guinea–Sierra Leone border

H

• Honduras–Nicaragua border
• Hungary–Romania border
• Hungary–Ukraine border

I

• India–Myanmar border
• India–Nepal border
• India–Pakistan border
• Indonesia–Malaysia border
• Indonesia–Papua New Guinea border
• Iran–Iraq border
• Iran–Pakistan border
• Iran–Turkey border
• Iran–Turkmenistan border
• Iraq–Jordan border
• Iraq–Kuwait border
• Iraq–Saudi Arabia border
• Iraq–Syria border
• Iraq–Turkey border
• Republic of Ireland–United Kingdom border
• Italy–Slovenia border
• Ivory Coast–Liberia border
• Ivory Coast–Mali border

J

• Japan–Russia border
• Jordan–Saudi Arabia border
• Jordan–Syria border

K

• Kalapani territory
• Kazakhstan–Kyrgyzstan border
• Kazakhstan–Russia border
• Kazakhstan–Turkmenistan border
• Kazakhstan–Uzbekistan border
• Korean Demilitarized Zone
• Kuwait–Saudi Arabia border
• Kyrgyzstan–Tajikistan border
• Kyrgyzstan–Uzbekistan border

L

• Laos–Myanmar border
• Laos–Thailand border
• Laos–Vietnam border
• Latvia–Lithuania border
• Latvia–Russia border
• Lebanon–Syria border