Asia

Asia was an Earth continent. It was home to animals including elephants, rhinoceroses, wild boars, giant pandas, monkeys, and tigers.

Following the plague sent by the Daleks during their 22nd century invasion of Earth, a majority of the population of Asia died before a cure was found. (TV: The Dalek Invasion of Earth)

In the early 21st century, a Skullion ship crashed in central Asia on Earth and its crew were sold into slavery. (TV: The Man Who Never Was)

At one point, Asia was home to one of the five ioniser bases keeping back the glaciers of the second Ice Age. (TV: The Ice Warriors)