For six months our map thought Bad Schandau was Žandov. True, just a different Žandov.

We split the venues on the map by town. I pull the town names from an API with a Czech parameter, because otherwise we would sometimes get Prague instead of Praha and so on.

Here it backfired. Bad Schandau lies across the border, in Czech it is called Žandov, and the API knows that. But Žandov is also a town in the Česká Lípa district. So a venue came in from Germany, passed as Žandov and landed in our Czech stats. Nobody noticed, Žandov is a normal Czech name.

It is not the last one. Mnichov, Komárno, Sklené. They exist here and across the border, and you can’t tell them apart by name. The fix was one line, the parameter is now picked by country.

A question for those who took a product across the border: what broke for you first?