This covers fan pages - anybody know how to do the same for personal pages, in case you feel like snooping on people who are looking you up? But then I see this: http://grownupgeek.com/facebook-forums-whos-been-looking-at-... Apparently it's against the TOS.
This won't tell WHO has been looking at your fan page either, at least not specifically. The data is fairly anonymous.
If your profile isn't freely visible to the public, you can make a pretty educated guess based on city.