Historic borders · by country
Country border changes since 1886
157 countries and former territories whose borders changed between 1886 and 2023, from colonial partition and two world wars to decolonization and the end of the Soviet Union. Each page lists every change with its date and area, and shows the borders of each period.
Border history by country
- Afghanistan
- Albania
- Algeria
- Angola
- Argentina
- Australia
- Austria
- Austria-Hungary
- Bahamas
- Barbados
- Belize
- Benin
- Bhutan
- Bolivia
- Botswana
- Brazil
- British Bechuanaland
- British Cameroons
- British Somaliland
- Brunei
- Bulgaria
- Burkina Faso
- Cambodia
- Cameroon
- Canada
- Cape Colony
- Cape Verde
- Central African Republic
- Chad
- Chile
- China
- Colombia
- Comoros
- Côte d'Ivoire
- Cuba
- Cyprus
- Czechoslovakia
- Democratic Republic of the Congo
- Denmark
- Djibouti
- Dutch New Guinea
- East Germany
- East Timor
- Ecuador
- Egypt
- Equatorial Guinea
- Eritrea
- Estonia
- Eswatini
- Ethiopia
- Federated Malay States
- Fiji
- Finland
- France
- French Guiana
- French West Africa
- Gabon
- Gambia
- German New Guinea
- German Togoland
- Germany
- Ghana
- Greece
- Guinea
- Guinea-Bissau
- Guyana
- Haiti
- Hungary
- Iceland
- India
- Indonesia
- Iraq
- Israel
- Italian Somaliland
- Italy
- Jamaica
- Jordan
- Kamerun
- Kazakhstan
- Kenya
- Korea (until 1945)
- Laos
- Latvia
- Lebanon
- Lesotho
- Libya
- Lithuania
- Madagascar
- Malawi
- Malaysia
- Maldives
- Mali
- Malta
- Mandatory Palestine
- Mauritania
- Mauritius
- Montenegro
- Morocco
- Mozambique
- Myanmar
- Namibia
- Natal
- New Zealand
- Niger
- Nigeria
- North Borneo
- North Korea
- North-Western Rhodesia
- Northern Nigeria
- Pakistan
- Papua New Guinea
- Paraguay
- Peru
- Philippines
- Poland
- Puerto Rico
- Qatar
- Republic of the Congo
- Romania
- Russia
- Rwanda-Urundi
- Sarawak
- Saudi Arabia
- Senegal
- Serbia
- Sierra Leone
- Singapore
- Solomon Islands
- South Korea
- Southern Nigeria
- Spanish West Africa
- Sri Lanka
- Sudan
- Suriname
- Sweden
- Syria
- Taiwan
- Tanzania
- Territory of Papua
- Thailand
- Tibet
- Togo
- Trinidad and Tobago
- Tunisia
- Turkey
- Uganda
- Ukraine
- Unfederated Malay States
- United Arab Emirates
- United Kingdom
- United States
- Vietnam
- Yemen
- Yugoslavia
- Zambia
- Zanzibar
- Zimbabwe