Castles & palaces
Marble Village Lockheart Castle
Japanese theme park
Wikipedia names Marble Village Lockheart Castle as where 1 film or series was filmed; its page links to the sentence that says so. Wikidata records no shoot here yet.

Filmed here, per Wikipedia
Wikipedia says these were filmed in Marble Village Lockheart Castle. Each title’s page links to the sentence that says so.
Filming locations nearby
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Towns & cities
Minakami
Japan · 5 km north
Town in Tone district, Gunma prefecture, Japan
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Towns & cities
Nakanojō
Japan · 14 km west
Town in Agatsuma District, Gunma Prefecture, Japan
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Landscapes & nature
Ikaho Onsen
Japan · 16 km south
Building in Gunma Prefecture, Japan
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Towns & cities Shibukawa
Japan · 16 km south
City in Gunma Prefecture, Japan
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Towns & cities Minakami
Japan · 17 km north
Dissolved municipality in Tone district, Gunma prefecture, Japan
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Landscapes & nature
Mount Haruna
Japan · 20 km south-west
Mountain in Gunma Prefecture, Japan