HELP! Visa requirements for Hong Kong!!

[Bernie P]

HELP! Visa requirements for Hong Kong!!

I have just been booked, not finalised at this stage, to go to Berlin. On the return flights, instead of going back via Bangkok, I am going through Hong Kong. Do I need a Visa for a 2 day stopover? I have looked at a couple of websites, and I am a little confused (easy to do with me at the moment...) but as I hold a UK and AU passports, one site says that if I enter on my UK one, no visa but another says I need to enter on my AU one and I need to apply...

Is there a Visa on arrival also? I depart, all thing good, on Thursday on BA10 (if it is not affected by the strike that is!)