CIA - The World Factbook: Tonga - Features map and brief descriptions of the geography, people, government, economy, communications, transportation, military and transnational issues.
Encyclopedia of the Nations - Tonga - Provides information about the country's geography, people, government, economy and tourism. From Thomson Gale.
Jane's Tonga Home Page - Information about the people and history of the islands of Tongatapu and Vavau. Includes postcards and picture galleries.
NationMaster - Tonga - Profile includes information for various aspects of the country, with a special emphasis on statistics and rankings.
Planet Tonga - An internet portal with a directory, free email, forums, web site links, and online search.
SBS - The World Guide: Tonga - Map, flag and detailed information on the country covering its geography, history, constitution and government, international relations, economy, communications, education and welfare.
Te Puna - Tonga - Categorized and annotated web directory from the National Library of New Zealand.
Tonga on the Net - Information on the islands and peoples of the Kingdom of Tonga.
Tonganz.com - Created by the Tonga/New Zealand Business Association (TNZBA). Offers a guide to businesses, accommodation and attractions in the Kingdom of Tonga. Photo gallery, local news, forum and contact details.
US Department of State - Tonga - Country portal offers a map and links to Background Notes, the US embassy and the current ambassador, press releases, fact sheets, annual Human Rights Reports and other major reports including Industry Market Reports.
Wikipedia - Tonga - Hyperlinked encyclopedia article covers the country's history, government and politics, geography, economy, demographics, language and culture.
