Where was the Films based on works by Edgar Wallace film series filmed?

The productions, in order

• Der Frosch mit der MaskeThriller film1959
• The Red CircleThriller film1959
• The AvengerHorror film1960
• Der Mönch mit der PeitscheCrime film1967
• The Gorilla of SohoHorror film1968

Every filming location they used

Each place appears once, even when several titles were filmed there.

Named in Wikipedia's own articles

Places named only in the titles’ Wikipedia articles.