Just received this from Amazon:
Greetings from Amazon
We are happy to announce an update to OneLink that helps you monetize your traffic from Europe and Japan. Using OneLink you can now monetize your international traffic from Italy, France, Spain, Germany, Japan and neighboring countries in addition to the United Kingdom (UK) and Canada with Amazon’s text links. This update promises an improved shopping experience for your international visitors by automatically redirecting them to their local Amazon storefront to complete their purchases.
The Amazon Associates Team