Australasia

[ aw-struh-ley-zhuh, -shuh ]

/ ˌɔ strəˈleɪ ʒə, -ʃə /

Australia, New Zealand, and neighboring islands in the S Pacific Ocean.

Origin of Australasia

Austral(ia) + Asia

Aus·tral·a·sian, adjective, noun

A point I made in my 2007 book Comeback: back in 1985, NATO plus Japan plus Australasia produced 50% of world GDP.

Is Decline Optional? |David Frum |February 16, 2012 |DAILY BEAST
The great race of the day, the "Derby of Australasia," was run at 3.30.

Forty Thousand Miles Over Land and Water |Lady (Ethel Gwendoline [Moffatt]) Vincent
The harbor is one of the largest and best in New Zealand,—indeed, we may say in Australasia.

Under the Southern Cross |Maturin M. Ballou
Australasia, even, might become the ultimate aim of Japanese Imperialism and commercialism.

Empires and Emperors of Russia, China, Korea, and Japan |Pter Vay

Tasmania now produces more tin than all the rest of Australasia.

Wealth of the World's Waste Places and Oceania |Jewett Castello Gilson
The general feeling of Australasia is not as cordial as one would wish to the United States for the moment.

The Wanderings of a Spiritualist |Arthur Conan Doyle

Australasia

/ (ˌɒstrəˈleɪzɪə) /

Australia, New Zealand, and neighbouring islands in the S Pacific Ocean

(loosely) the whole of Oceania