See Menden 3) Kr. Iserlohn - A See notation means the entry is dependent on another entry. In this case, Sundern is dependent on Menden 3) Kr. Iserlohn, which should be consulted for additional information.
There are no places that reference Sundern 12)
The list below are those places from the Meyers Gazetteer that are nearby to Sundern (which may include itself) and are listed as containing a Catholic Church or Parish, a Protestant Church or Parish, a Synagogue, or Other Church.