Location data generally comes from one of the big "Geo IP" providers, because IP addresses are reused so often. It's a difficult problem that hasn't been solved 100% as yet.Okay, we're done.
I fired up my wife's rather ancient Acer tablet, and Weather Underground is giving a notification of weather in Fishi, which is north east of Fuzhou.
I'll turn the thing off today and return it.
I'd be interested to see the results of location testing with your IP through a variety of such services. Here is a list: https://superuser.com/questions/84891/is-it-possible-to-correct-my-geoip-location/1281786#1281786