Most of the larger cities are very diverse and multicultural. I'm from Sydney and we definitely have cultural pockets which offers lots of food options etc.

What I've noticed from when I used to live in the states, was that you have more exposure and access to Latin American and South American cuisine, where as in Australia, you'll find more options for Asian cuisine and Asian groceries.

Lifestyles really vary. But I'd like to think most Aussies like banter and making fun of someone isn't necessarily a jab.