This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
I don't really understand what you are asking, but bear in mind that unless a user has manually chosen to tell you which country he is from, there is no way for your application to know. The world-wide-web is indeed world-wide with no idea of where a server machine, a client machine or a user is located.