[mukul-mehta]

The data comes from Wikidata's P625 coordinate location property. It has to be corrected on Wikidata itself. Could you share some examples for where you think the data is incorrect?

[fjfaase]

I corrected the location for https://en.wikipedia.org/wiki/Museum_Ensched%C3%A9 to the address mentioned in the article. It was placed somewhere in the city of Enschede.