"あんた" is a very rude form of you that is not commonly used in daily speech, just so you know Just one of the many reasons why you shouldn't be learning Japanese strictly from anime and manga...
ニュージランドで生まれました。 Ah! My bad. I know that, and did it unintentionally. Probably didn't hit 'a'. Thanks anyway. Oh, and I'm not strictly learning Japanese from anime and manga; I'm mainly reading/watching them to get to know plain form better. I do formal studies at school (waste of time) and also outside of school, which is excellent