Publication, Document
Names of sovereign countries
A list of English and Welsh-language names for sovereign countries. ‘Sovereign’ means that they are independent states, recognised under international law.
A PDF download of this document will be available soon.
This list reflects the Geographical Names Index found on the Foreign, Commonwealth and Development Office (FCDO) website, excluding the last column in that Index ("Citizen names").
| Cod gwlad (Country code) | Enw yn Saesneg (Name in English) | Enw yn Gymraeg (Name in Welsh) | Enw swyddogol yn Saesneg (Official name in English) | Enw swyddogol yn Gymraeg (Official name in Welsh) |
| AF | Afghanistan | Affganistan | The Islamic Republic of Afghanistan | Gweriniaeth Islamaidd Affganistan |
| AL | Albania | Albania | The Republic of Albania | Gweriniaeth Albania |
| DZ | Algeria | Algeria | The People's Democratic Republic of Algeria | Gweriniaeth Ddemocrataidd Pobl Algeria |
| AD | Andorra | Andorra | The Principality of Andorra | Tywysogaeth Andorra |
| AO | Angola | Angola | The Republic of Angola | Gweriniaeth Angola |
| AG | Antigua and Barbuda | Antigua a Barbuda | Antigua and Barbuda | Antigua a Barbuda |
| AR | Argentina | Yr Ariannin | The Argentine Republic | Gweriniaeth yr Ariannin |
| AM | Armenia | Armenia | The Republic of Armenia | Gweriniaeth Armenia |
| AU | Australia | Awstralia | The Commonwealth of Australia | Cymanwlad Awstralia |
| AT | Austria | Awstria | The Republic of Austria | Gweriniaeth Awstria |
| AZ | Azerbaijan | Azerbaijan | The Republic of Azerbaijan | Gweriniaeth Azerbaijan |
| BH | Bahrain | Bahrain | The Kingdom of Bahrain | Teyrnas Bahrain |
| BD | Bangladesh | Bangladesh | The People's Republic of Bangladesh | Gweriniaeth Pobl Bangladesh |
| BB | Barbados | Barbados | Barbados | Barbados |
| BY | Belarus | Belarws | The Republic of Belarus | Gweriniaeth Belarws |
| BE | Belgium | Gwlad Belg | The Kingdom of Belgium | Teyrnas Gwlad Belg |
| BZ | Belize | Belize | Belize | Belize |
| BJ | Benin | Benin | The Republic of Benin | Gweriniaeth Benin |
| BT | Bhutan | Bhutan | The Kingdom of Bhutan | Teyrnas Bhutan |
| BO | Bolivia | Bolivia | The Plurinational State of Bolivia | Gwladwriaeth Amlgenedl Bolivia |
| BA | Bosnia and Herzegovina | Bosnia a Herzegovina | Bosnia and Herzegovina | Bosnia a Herzegovina |
| BW | Botswana | Botswana | The Republic of Botswana | Gweriniaeth Botswana |
| BR | Brazil | Brasil | The Federative Republic of Brazil | Gweriniaeth Ffederal Brasil |
| BN | Brunei | Brunei | Brunei Darussalam | Brunei Darussalam |
| BG | Bulgaria | Bwlgaria | The Republic of Bulgaria | Gweriniaeth Bwlgaria |
| BF | Burkina Faso | Burkina Faso | Burkina Faso | Burkina Faso |
| BI | Burundi | Burundi | The Republic of Burundi | Gweriniaeth Burundi |
| KH | Cambodia | Cambodia | The Kingdom of Cambodia | Teyrnas Cambodia |
| CM | Cameroon | Cameroon | The Republic of Cameroon | Gweriniaeth Cameroon |
| CA | Canada | Canada | Canada | Canada |
| CV | Cape Verde | Cape Verde | The Republic of Cabo Verde | Gweriniaeth Cabo Verde |
| CF | Central African Republic | Gweriniaeth Canolbarth Affrica | The Central African Republic | Gweriniaeth Canolbarth Affrica |
| TD | Chad | Chad | The Republic of Chad | Gweriniaeth Chad |
| CL | Chile | Chile | The Republic of Chile | Gweriniaeth Chile |
| CN | China | Tsieina | The People's Republic of China | Gweriniaeth Pobl Tsieina |
| CO | Colombia | Colombia | The Republic of Colombia | Gweriniaeth Colombia |
| KM | Comoros | Comoros | The Union of the Comoros | Undeb y Comoros |
| CG | Congo | Congo | The Republic of the Congo | Gweriniaeth Congo |
| CD | Congo (Democratic Republic) | Congo (Gweriniaeth Ddemocrataidd) | The Democratic Republic of the Congo | Gweriniaeth Ddemocrataidd Congo |
| CR | Costa Rica | Costa Rica | The Republic of Costa Rica | Gweriniaeth Costa Rica |
| HR | Croatia | Croatia | The Republic of Croatia | Gweriniaeth Croatia |
| CU | Cuba | Ciwba | The Republic of Cuba | Gweriniaeth Ciwba |
| CY | Cyprus | Cyprus | The Republic of Cyprus | Gweriniaeth Cyprus |
| CZ | Czechia | Tsiecia | The Czech Republic | Y Weriniaeth Tsiec |
| DK | Denmark | Denmarc | The Kingdom of Denmark | Teyrnas Denmarc |
| DJ | Djibouti | Djibouti | The Republic of Djibouti | Gweriniaeth Djibouti |
| DM | Dominica | Dominica | The Commonwealth of Dominica | Cymanwlad Dominica |
| DO | Dominican Republic | Gweriniaeth Dominica | The Dominican Republic | Gweriniaeth Dominica |
| TL | East Timor | Dwyrain Timor | The Democratic Republic of Timor-Leste | Gweriniaeth Ddemocrataidd Timor-Leste |
| EC | Ecuador | Ecuador | The Republic of Ecuador | Gweriniaeth Ecuador |
| EG | Egypt | Yr Aifft | The Arab Republic of Egypt | Gweriniaeth Arabaidd yr Aifft |
| SV | El Salvador | El Salvador | The Republic of El Salvador | Gweriniaeth El Salvador |
| GQ | Equatorial Guinea | Guinea Gyhydeddol | The Republic of Equatorial Guinea | Gweriniaeth Guinea Gyhydeddol |
| ER | Eritrea | Eritrea | The State of Eritrea | Gwladwriaeth Eritrea |
| EE | Estonia | Estonia | The Republic of Estonia | Gweriniaeth Estonia |
| SZ | Eswatini | Eswatini | Kingdom of Eswatini | Teyrnas Eswatini |
| ET | Ethiopia | Ethiopia | The Federal Democratic Republic of Ethiopia | Gweriniaeth Ddemocrataidd Ffederal Ethiopia |
| FJ | Fiji | Ffiji | The Republic of Fiji | Gweriniaeth Ffiji |
| FI | Finland | Y Ffindir | The Republic of Finland | Gweriniaeth y Ffindir |
| FR | France | Ffrainc | The French Republic | Gweriniaeth Ffrainc |
| GA | Gabon | Gabon | The Gabonese Republic | Gweriniaeth Gabon |
| GE | Georgia | Georgia | Georgia | Georgia |
| DE | Germany | Yr Almaen | The Federal Republic of Germany | Gweriniaeth Ffederal yr Almaen |
| GH | Ghana | Ghana | The Republic of Ghana | Gweriniaeth Ghana |
| GR | Greece | Gwlad Groeg | The Hellenic Republic | Y Weriniaeth Helenaidd |
| GD | Grenada | Grenada | Grenada | Grenada |
| GT | Guatemala | Guatemala | The Republic of Guatemala | Gweriniaeth Guatemala |
| GN | Guinea | Guinea | The Republic of Guinea | Gweriniaeth Guinea |
| GW | Guinea-Bissau | Guinea-Bissau | The Republic of Guinea-Bissau | Gweriniaeth Guinea-Bissau |
| GY | Guyana | Guyana | The Co-operative Republic of Guyana | Gweriniaeth Gydweithredol Guyana |
| HT | Haiti | Haiti | The Republic of Haiti | Gweriniaeth Haiti |
| HN | Honduras | Honduras | The Republic of Honduras | Gweriniaeth Honduras |
| HU | Hungary | Hwngari | Hungary | Hwngari |
| IS | Iceland | Gwlad yr Iâ | Iceland | Gwlad yr Iâ |
| IN | India | India | The Republic of India | Gweriniaeth India |
| ID | Indonesia | Indonesia | The Republic of Indonesia | Gweriniaeth Indonesia |
| IR | Iran | Iran | The Islamic Republic of Iran | Gweriniaeth Islamaidd Iran |
| IQ | Iraq | Irac | The Republic of Iraq | Gweriniaeth Irac |
| IE | Ireland | Iwerddon | Ireland | Iwerddon |
| IL | Israel | Israel | The State of Israel | Gwladwriaeth Israel |
| IT | Italy | Yr Eidal | The Italian Republic | Gweriniaeth yr Eidal |
| CI | Ivory Coast | Y Traeth Ifori | The Republic of Côte D’Ivoire | Gweriniaeth Côte D’Ivoire |
| JM | Jamaica | Jamaica | Jamaica | Jamaica |
| JP | Japan | Japan | Japan | Japan |
| JO | Jordan | Gwlad yr Iorddonen | The Hashemite Kingdom of Jordan | Teyrnas Hashimaidd Gwlad yr Iorddonen |
| KZ | Kazakhstan | Kazakhstan | The Republic of Kazakhstan | Gweriniaeth Kazakhstan |
| KE | Kenya | Kenya | The Republic of Kenya | Gweriniaeth Kenya |
| KI | Kiribati | Kiribati | The Republic of Kiribati | Gweriniaeth Kiribati |
| XK | Kosovo | Kosovo | The Republic of Kosovo | Gweriniaeth Kosovo |
| KW | Kuwait | Kuwait | The State of Kuwait | Gwladwriaeth Kuwait |
| KG | Kyrgyzstan | Kyrgyzstan | The Kyrgyz Republic | Gweriniaeth Kyrgyzstan |
| LA | Laos | Laos | The Lao People's Democratic Republic | Gweriniaeth Ddemocrataidd y Bobl Lao |
| LV | Latvia | Latfia | The Republic of Latvia | Gweriniaeth Latfia |
| LB | Lebanon | Libanus | The Lebanese Republic | Gweriniaeth Libanus |
| LS | Lesotho | Lesotho | The Kingdom of Lesotho | Teyrnas Lesotho |
| LR | Liberia | Liberia | The Republic of Liberia | Gweriniaeth Liberia |
| LY | Libya | Libya | Libya | Libya |
| LI | Liechtenstein | Liechtenstein | The Principality of Liechtenstein | Tywysogaeth Liechtenstein |
| LT | Lithuania | Lithwania | The Republic of Lithuania | Gweriniaeth Lithwania |
| LU | Luxembourg | Lwcsembwrg | The Grand Duchy of Luxembourg | Archddugiaeth Lwcsembwrg |
| MG | Madagascar | Madagascar | The Republic of Madagascar | Gweriniaeth Madagascar |
| MW | Malawi | Malawi | The Republic of Malawi | Gweriniaeth Malawi |
| MY | Malaysia | Malaysia | Malaysia | Malaysia |
| MV | Maldives | Maldives | The Republic of Maldives | Gweriniaeth Maldives |
| ML | Mali | Mali | The Republic of Mali | Gweriniaeth Mali |
| MT | Malta | Malta | The Republic of Malta | Gweriniaeth Malta |
| MH | Marshall Islands | Ynysoedd Marshall | The Republic of the Marshall Islands | Gweriniaeth Ynysoedd Marshall |
| MR | Mauritania | Mauritania | The Islamic Republic of Mauritania | Gweriniaeth Islamaidd Mauritania |
| MU | Mauritius | Mauritius | The Republic of Mauritius | Gweriniaeth Mauritius |
| MX | Mexico | Mecsico | The United Mexican States | Unol Daleithiau Mecsico |
| FM | Micronesia | Micronesia | The Federated States of Micronesia | Gwladwriaethau Ffedereiddiedig Micronesia |
| MD | Moldova | Moldofa | The Republic of Moldova | Gweriniaeth Moldofa |
| MC | Monaco | Monaco | The Principality of Monaco | Tywysogaeth Monaco |
| MN | Mongolia | Mongolia | Mongolia | Mongolia |
| ME | Montenegro | Montenegro | Montenegro | Montenegro |
| MA | Morocco | Morocco | The Kingdom of Morocco | Teyrnas Morocco |
| MZ | Mozambique | Mozambique | The Republic of Mozambique | Gweriniaeth Mozambique |
| MM | Myanmar (Burma) | Myanmar (Burma) | The Republic of the Union of Myanmar | Gweriniaeth Undeb Myanmar |
| NA | Namibia | Namibia | The Republic of Namibia | Gweriniaeth Namibia |
| NR | Nauru | Nauru | The Republic of Nauru | Gweriniaeth Nauru |
| NP | Nepal | Nepal | Nepal | Nepal |
| NL | Netherlands | Yr Iseldiroedd | The Kingdom of the Netherlands | Teyrnas yr Iseldiroedd |
| NZ | New Zealand | Seland Newydd | New Zealand | Seland Newydd |
| NI | Nicaragua | Nicaragua | The Republic of Nicaragua | Gweriniaeth Nicaragua |
| NE | Niger | Niger | The Republic of Niger | Gweriniaeth Niger |
| NG | Nigeria | Nigeria | The Federal Republic of Nigeria | Gweriniaeth Ffederal Nigeria |
| KP | North Korea | Gogledd Korea | The Democratic People's Republic of Korea | Gweriniaeth Ddemocrataidd y Bobl Korea |
| MK | North Macedonia | Gogledd Macedonia | Republic of North Macedonia | Gweriniaeth Gogledd Macedonia |
| NO | Norway | Norwy | The Kingdom of Norway | Teyrnas Norwy |
| OM | Oman | Oman | The Sultanate of Oman | Swltaniaeth Oman |
| PK | Pakistan | Pacistan | The Islamic Republic of Pakistan | Gweriniaeth Islamaidd Pacistan |
| PW | Palau | Palau | The Republic of Palau | Gweriniaeth Palau |
| PA | Panama | Panama | The Republic of Panama | Gwerinaeth Panama |
| PG | Papua New Guinea | Papua Guinea Newydd | The Independent State of Papua New Guinea | Gwladwriaeth Annibynnol Papua Guinea Newydd |
| PY | Paraguay | Paraguay | The Republic of Paraguay | Gweriniaeth Paraguay |
| PE | Peru | Periw | The Republic of Peru | Gweriniaeth Periw |
| PH | Philippines | Ynysoedd Philippines | The Republic of the Philippines | Gweriniaeth y Philippines |
| PL | Poland | Gwlad Pwyl | The Republic of Poland | Gweriniaeth Gwlad Pwyl |
| PT | Portugal | Portiwgal | The Portuguese Republic | Gweriniaeth Portiwgal |
| QA | Qatar | Qatar | The State of Qatar | Gwladwriaeth Qatar |
| RO | Romania | Rwmania | Romania | Rwmania |
| RU | Russia | Rwsia | The Russian Federation | Ffederasiwn Rwsia |
| RW | Rwanda | Rwanda | The Republic of Rwanda | Gweriniaeth Rwanda |
| WS | Samoa | Samoa | The Independent State of Samoa | Gwladwriaeth Annibynnol Samoa |
| SM | San Marino | San Marino | The Republic of San Marino | Gweriniaeth San Marino |
| ST | Sao Tome and Principe | Sao Tome a Principe | The Democratic Republic of Sao Tome and Principe | Gweriniaeth Ddemocrataidd Sao Tome a Principe |
| SA | Saudi Arabia | Saudi Arabia | The Kingdom of Saudi Arabia | Teyrnas Saudi Arabia |
| SN | Senegal | Senegal | The Republic of Senegal | Gweriniaeth Senegal |
| RS | Serbia | Serbia | The Republic of Serbia | Gweriniaeth Serbia |
| SC | Seychelles | Seychelles | The Republic of Seychelles | Gweriniaeth Seychelles |
| SL | Sierra Leone | Sierra Leone | The Republic of Sierra Leone | Gweriniaeth Sierra Leone |
| SG | Singapore | Singapore | The Republic of Singapore | Gweriniaeth Singapore |
| SK | Slovakia | Slofacia | The Slovak Republic | Y Weriniaeth Slofac |
| SI | Slovenia | Slofenia | The Republic of Slovenia | Gweriniaeth Slofenia |
| SB | Solomon Islands | Ynysoedd Solomon | Solomon Islands | Ynysoedd Solomon |
| SO | Somalia | Somalia | Federal Republic of Somalia | Gweriniaeth Ffederal Somalia |
| ZA | South Africa | De Affrica | The Republic of South Africa | Gweriniaeth De Affrica |
| KR | South Korea | De Korea | The Republic of Korea | Gweriniaeth Korea |
| SS | South Sudan | De Sudan | The Republic of South Sudan | Gweriniaeth De Sudan |
| ES | Spain | Sbaen | The Kingdom of Spain | Teyrnas Sbaen |
| LK | Sri Lanka | Sri Lanka | The Democratic Socialist Republic of Sri Lanka | Gweriniaeth Sosialaidd Ddemocrataidd Sri Lanka |
| KN | St Kitts and Nevis | St Kitts a Nevis | The Federation of Saint Christopher and Nevis | Ffederasiwn Sant Christopher a Nevis |
| LC | St Lucia | St Lucia | Saint Lucia | Santes Lucia |
| VC | St Vincent | St Vincent | Saint Vincent and the Grenadines | Sant Vincent a'r Grenadines |
| SD | Sudan | Sudan | The Republic of the Sudan | Gweriniaeth Sudan |
| SR | Suriname | Suriname | The Republic of Suriname | Gweriniaeth Suriname |
| SE | Sweden | Sweden | The Kingdom of Sweden | Teyrnas Sweden |
| CH | Switzerland | Y Swistir | The Swiss Confederation | Cydffederasiwn y Swistir |
| SY | Syria | Syria | The Syrian Arab Republic | Gweriniaeth Arabaidd Syria |
| TJ | Tajikistan | Tajikistan | The Republic of Tajikistan | Gweriniaeth Tajikistan |
| TZ | Tanzania | Tanzania | The United Republic of Tanzania | Gweriniaeth Unedig Tanzania |
| TH | Thailand | Gwlad Thai | The Kingdom of Thailand | Teyrnas Gwlad Thai |
| BS | The Bahamas | Y Bahamas | The Commonwealth of The Bahamas | Cymanwlad y Bahamas |
| GM | The Gambia | Y Gambia | The Republic of The Gambia | Gweriniaeth y Gambia |
| TG | Togo | Togo | The Togolese Republic | Gweriniaeth Togo |
| TO | Tonga | Tonga | The Kingdom of Tonga | Teyrnas Tonga |
| TT | Trinidad and Tobago | Trinidad a Tobago | The Republic of Trinidad and Tobago | Gweriniaeth Trinidad a Tobago |
| TN | Tunisia | Tunisia | The Tunisian Republic | Gweriniaeth Tunisia |
| TR | Turkey | Twrci | Republic of Türkiye | Gweriniaeth Türkiye |
| TM | Turkmenistan | Turkmenistan | Turkmenistan | Turkmenistan |
| TV | Tuvalu | Tuvalu | Tuvalu | Tuvalu |
| UG | Uganda | Uganda | The Republic of Uganda | Gweriniaeth Uganda |
| UA | Ukraine | Wcráin | Ukraine | Wcráin |
| AE | United Arab Emirates | Yr Emiradau Arabaidd Unedig | The United Arab Emirates | Yr Emiradau Arabaidd Unedig |
| GB | United Kingdom | Y Deyrnas Unedig | The United Kingdom of Great Britain and Northern Ireland | Teyrnas Unedig Prydain Fawr a Gogledd Iwerddon |
| US | United States | Yr Unol Daleithiau | The United States of America | Unol Daleithiau America |
| UY | Uruguay | Uruguay | The Oriental Republic of Uruguay | Gweriniaeth Ddwyreiniol Uruguay |
| UZ | Uzbekistan | Uzbekistan | The Republic of Uzbekistan | Gweriniaeth Uzbekistan |
| VU | Vanuatu | Vanuatu | The Republic of Vanuatu | Gweriniaeth Vanuatu |
| VA | Vatican City | Dinas y Fatican | Vatican City State | Gwladwriaeth Dinas y Fatican |
| VE | Venezuela | Venezuela | The Bolivarian Republic of Venezuela | Gweriniaeth Bolivaraidd Venezuela |
| VN | Vietnam | Fietnam | The Socialist Republic of Viet Nam | Gweriniaeth Sosialaidd Fiet Nam |
| YE | Yemen | Yemen | The Republic of Yemen | Gweriniaeth Yemen |
| ZM | Zambia | Zambia | The Republic of Zambia | Gweriniaeth Zambia |
| ZW | Zimbabwe | Zimbabwe | The Republic of Zimbabwe | Gweriniaeth Zimbabwe |