Australasia
From Tardis Wiki, the free Doctor Who reference
Australasia was a continent on Earth. In consisted of Australia, Tasmania, New Zealand, Malaysia, and the islands of Melanesia, Micronesia and Polynesia which were collectively known as Oceania. (AUDIO: The Transit of Venus) In 200,100, when the Daleks attacked Earth, Australasia was referred to as "just... gone" after a bombing run, which implied absolute destruction of the continent. (TV: The Parting of the Ways)
In an unspecified time in the distant future, Australasia was home to one of the five ioniser bases keeping back the glaciers of the second Ice Age. (TV: The Ice Warriors)