Maps

Tonga
A great political map, comprehensive data, and flag from the CIA World Factbook.

Merriam-Webster Map of Tonga
A nice map of Tonga along with basic geographic facts.

Map of Tonga
A large map of Tonga from the PCL Map Collection.

Geography and Data

Tonga
Great data and historical information from Infoplease.com.

Tonga - Background Notes
A plethora of information, including political history, from the U.S. Department of State.

Tonga - Flags of the World
The flag and everything you ever wanted to know about the flag.