The Australian rugby union team is called The Wallabies
It's the Rugby Football Union.
The Ireland National Rugby Union Team.
for which country?
The don't have a name its just The England Rugby Union Team
Each country has its own unique name for their Rugby Union National Team. Two of the great names are The Springboks (South Africa) and the ALL Blacks (New Zealand).
For which country? you could be asking this question anywhere in the world.
what is the slang name for the Australian wallabys rugby union sport
Rugby union and rugby league.
The first player ever to do this was welsh ledgend Jonhathon Davies.
There isn't 'one'. Australia plays rugby test matches, in Sydney (ANZ Stadium), Brisbane (Suncorp Stadium), Perth (Subiaco Oval) and Melbourne (MCG)