For those that are not familiar with Spanish...
AFGANISTAN is the Spanish spelling for a AFGHANISTAN.
With Spanish being the dominant language after English and Chinese on the Internet. As well, Afganistan is also the most common mispelling of the name - perhaps even producing more spellings than the actual correct spelling.
Also note, google results for this word already is 10,000,000 and will be growing immensely as more spanish users become online.