Super cool idea! Would love support for other languages, as English Wikipedia is quite limited where I live.
You can let it pick your own location, and if you rewrite the language prefix at the beginning of the url, you get that language's version. [2][3]
[1] https://en.wikipedia.org/wiki/Special:Nearby#/coord/15.90721...
[2] https://fr.wikipedia.org/wiki/Special:Nearby#/coord/15.90721...
[3] https://es.wikipedia.org/wiki/Special:Nearby#/coord/15.90721...