Originally Posted by Snorkledorf
Interestingly, looking at "Manage Your Kindle" at the UK store reveals a big banner saying "Your digital account is currently registered at Amazon.com. Go to the Manage Your Kindle page at Amazon.com." Doing the same at the Japan store...just shows me my Japanese "Manage Your Kindle" page like normal. Are the US and UK stores tied together more closely than US and Japan are? Is the UK store stricter about these things?
In general, the Amazon stores are all linked together, and one account can work on all of them (with geographical restrictions), except Amazon Japan, that is a totally separate company, requiring a separate Amazon account that does not link to the others.