CIA - The World Factbook: British Indian Ocean Territory
- Features map and brief descriptions of the geography, people, government, economy, communications, transportation, military and transnational issues.
- https://www.cia.gov/library/publications/the-world-factbook/geos/io.html

Swiss Committee in Favour of the Chagossians
- Helping the native inhabitants of the Chagos Archipelago. Includes information about the islands, the Chagossians, the social committee and the refugees group.
- http://www.chagos.org/

World Statesmen - British Indian Ocean Territory
- Review of the country's history, politics, leaders and international organizations and treaties. Includes map, constitution, national anthem and pictures of historical flags.
- http://www.worldstatesmen.org/Br_Indian_Ocean_Terr.html

UK Foreign Office - Country Profiles: British Indian Ocean Territory
- Overview of country's geography, history, politics, economy, international relations, travel and current affairs.
- http://www.fco.gov.uk/servlet/Front?pagename=OpenMarket/Xcelerate/ShowPage&c=Page&cid=1007029394365&a=KCountryProfile&aid=1018952687077

Wikipedia - British Indian Ocean Territory
- Hyperlinked encyclopedia article covers the country's history, government and politics, economy, geography and communications.
- http://en.wikipedia.org/wiki/British_Indian_Ocean_Territory

Ethnologue - Languages of British Indian Ocean Territory
- Information about the living languages of the country including population, region, classification, dialects and alternate names.
- http://www.ethnologue.com/show_country.asp?name=British+Indian+Ocean+Territory