United States
- With a detailed history of the complicated diplomatic relations between Bulgaria and the United States.
- http://sofia.usembassy.gov/

European Commission
- Delegation of the European Commission to Bulgaria, located in Sofia. Provides information about the EU assistance pre-accession instruments and the services of the EU Information Centre with daily updates and e-mail news alerts. [Bulgarian, English]
- http://www.evropa.bg/

United Kingdom
- Basic information about the British Embassy in Sofia, plus links to related external websites. In English and Bulgarian.
- http://www.britishembassy.gov.uk/bulgaria

Belgium
- Embassy of Belgium in Sofia, with information on the monthly meeting of the Belgian Community in Bulgaria.
- http://www.diplomatie.be/sofia/

Czech Republic
- Embassy of the Czech Republic in Bulgaria. Includes a curriculum vitae of the ambassador.
- http://www.czechembassy.org/wwwo/?zu=sofia

Indonesia
- Embassy of Indonesia in Sofia, with information about Indonesian society and business opportunities, embassy and the services offered.
- http://www.indonesia.bg/

Netherlands
- Royal Netherlands Embassy in Sofia, with information on Dutch culture, government, tourism, bilateral relations, current events in Holland, and embassy and consular affairs.
- http://www.netherlandsembassy.bg/