Am/zu/an der/um Cloche d'Or?
No... op der Cloche d'Or.
Here is an Excel file with list of places in Luxembourg with their official names and names in Luxembourgish, as well as the article and preposition to use. Source.
No... op der Cloche d'Or.
Here is an Excel file with list of places in Luxembourg with their official names and names in Luxembourgish, as well as the article and preposition to use. Source.