Vietnam

Vietnam was a country in Asia.

History
The Fifth Doctor, Nyssa, Wilton, Mulberry and Floyd visited Vietnam and met Major Alice Hunniford. (AUDIO: Renaissance of the Daleks)

On 24 December 1969, the Third Doctor and Sarah Jane Smith visited Saigon, Vietnam during the Christmas ceasefire. (PROSE: Interesting Times)

In 1979, China invaded Vietnam. (TV: Tooth and Claw)

The Chinese three-striped box turtle was found in Vietnam. (PROSE: The Last Dodo)