I just did a post at Search Engine Land about the most awesomest feature ever of Google’s Webmaster Tools. You can now tell them the geographic location of your site.
Google! Tell Them Geographic Data!
About the author
I write and speak about the search engine industry and searcher behavior and help companies with online strategy and audience engagement. Before this, I worked at Google, where I built Webmaster Central and helped launch sitemaps.org.