Region Tags in Google Search Results
«Webmaster Level: All Country-code top-level domains (or ccTLDs) can provide people with a quick and valuable clue about the location of a website—for example, “.fr” for France or “.co.jp” for Japan. However, for certain top level domains like .com, .info and .org, it’s not as easy to figure out…» » source | + cache
See original post by Chris Gilmer