http://www.seochat.com/seo-tools/multiple-datacenter-keyword-position/

When anyone searches on google search engine for something from a particular region, the results are drawn from a specific data center. If you are targeting your keyword to rank well across number of regions, and want to keep a tap on its performance then this one is for you.

This tool also has an optional parameter for choosing language/country, which will allow you to receive more specific results for your given criteria. You can generate results from around 35 google data centers.