If you're talking about the country of the Adobe store look in the lower left of the webpage ... Select Region/Country
Sorry, I should have been more specific.. I meant changing my country in my account. Somehow I think when I created it, the country was set to the US, but I'm actually in Singapore.
I know that you can set the preferred language in you account on-line.
However, I don't know how to change your country ... sorry.
Maybe someone else can jump in here.