Where was A Song for Martin filmed?
2001 Swedish drama film directed by Bille August
A Song for Martin (2001) was filmed in Tanum Municipality and Hamburgö, 2 places named in its Swedish Wikipedia’s Om filmen section, in Sweden. Wikidata itself records the shoot only as Morocco. Each place says where its claim comes from.
Places per Swedish Wikipedia's Om filmen section
Swedish Wikipedia’s Om filmen section names 2 places. Each links to the sentence that says so.
Recorded only at country level
Also filmed in Morocco, but the exact places are not known, so they are not on the map.
Filming locations that are mapped there: Morocco

