[Tacite]

Is it an US thing? I tried with 17 pictures from Europe and Asia, not in capital cities but in fairly big cities, and it didn't guess any. Sometimes it got the country correct but that was because of signs, so I could have guessed it too.

[mvdtnz]

It's a guy who uploaded a photo with EXIF data and believes the made up explanation given by the "AI".

[otabdeveloper4]

It's probably trained on Google street view or equivalent.