Or you'll be lazy and read some facts about it here ----> http://en.wikipedia.org/wiki/Hetalia:_Axis_Powers
Watching it online for example here http://www.watchanimeon.com/search/hetalia/page/4/
Reading the manga for example here http://www.mangafox.com/manga/axis_powers_hetalia/
Perhaps even joining the animeforum group for it? http://www.animeforum.com/group.php?groupid=410
Since you are Australia @jamesedwards here comes some videos of the Australian character.
Sadly for you, Australia isn't exactly a part of the anime. He's only so far a sketch made by Himaruya (the creator),
perhaps he will join the manga or so later on. I don't know. But you should watch the anime anyway, since it's really funny.
As you already may have figured out that I think by reading this thread... hahaha! xD