Where was Shining Through filmed?

Filming locations

• Studios & sets Pinewood Studios England British film studio and television studio situated in Iver Heath, Buckinghamshire, England

  “The New York City and Washington scenes at the beginning of the film were shot in and around London and at nearby Pinewood Studios.” Wikipedia

Also per Wikipedia's Production section

Wikipedia’s Production section names 9 more places. Each links to the sentence that says so.

Recorded only at country level

Its Wikipedia article also says it was filmed in Carinthia, without naming a place, so it is not on the map.

Also shot in these places

Set in the same places