Towns & cities
Oyama
City in Tochigi prefecture, Japan
Wikipedia names Oyama as where 1 film or series was filmed; its page links to the sentence that says so. Wikidata records no shoot here yet.
1 place inside Oyama has a page of its own: listed below. Everything shot at it is already named above, recorded against Oyama as well.

Filmed here, per Wikipedia
Wikipedia says these were filmed in Oyama. Each title’s page links to the sentence that says so.
Filming locations inside Oyama
1 place inside Oyama, with a page of its own. Every production shot at it is already listed above, because Wikidata records it against Oyama too.
Filming locations nearby
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Landmarks & buildings
Mamada Hachimangu
Japan · 5 km south-west
Shinto shrine in Tochigi Prefecture, Japan
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Towns & cities Tochigi
Japan · 10 km north-west
City in Tochigi Prefecture, Japan
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Towns & cities
Fujioka
Japan · 15 km west
Dissolved municipality in Shimotsuga district, Tochigi prefecture, Japan
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Towns & cities
Chikusei
Japan · 17 km east
City in Ibaraki Prefecture, Japan
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Landscapes & nature Watarase River
Japan · 20 km south-west
River in Japan
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Landmarks & buildings JGSDF Camp Utsunomiya
Japan · 20 km north