Rural Algeria is probably our default location (30,0) as that is what makes some sense when the map is zoomed out - you should only get that if we can't locate you in any way, but it also sounds like the wikipedia thing is not working. Can you post browser/ OS, etc please?
I think what happens is, the first time you go to geosay you have to allow the browser to give away your location; if you click on "search here" (bottom left) before having given this authorization, you land in Africa.
A simple fix could be to not show the "search here" link before the application has a real location...?
(I think this is the bug: http://support.mozilla.com/en-US/questions/740469 although I have it in 3.6.8)
Anyhow, could you try again and see how it works?