The United Kingdom of Great Britain and Northern Ireland or the UK is the country with the longest name in the world. There are 45 letters in the full official name.
The following are some other countries with long official names:
- United Kingdom of Great Britain and Northern Ireland (UK)
- Democratic Republic of São Tomé and PrÃncipe (São Tomé and PrÃncipe)
- Democratic Socialist Republic of Sri Lanka (Sri Lanka)
- Federal Democratic Republic of Ethiopia (Ethiopia)
- People’s Democratic Republic of Algeria (Algeria)
- Independent State of Papua New Guinea (Papua New Guinea)
- Federal Democratic Republic of Nepal (Nepal)
- Democratic People’s Republic of Korea (North Korea)
- Democratic Republic of Timor-Leste (Timor-Leste/East Timor)
- Federation of Saint Kitts and Nevis (Saint Kitts and Nevis)
- Bolivarian Republic of Venezuela (Venezuela)
- Lao People’s Democratic Republic (Laos)
- Democratic Republic of the Congo (DR Congo)

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