Towns & cities
Harlech
Town, community and seaside resort in Gwynedd, within the historical boundaries of Meirionnydd in northwest Wales
Wikipedia names Harlech 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 Harlech. Each title’s page links to the sentence that says so.
Filming locations nearby
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Towns & cities
Llanbedr
Wales · 4 km south
Village and community in Gwynedd, Wales
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Landmarks & buildings
Portmeirion Hotel
Wales · 6 km north
Grade II listed building in Gwynedd. Located on the sea front at the southern edge of the village.
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Towns & cities
Portmeirion
Wales · 6 km north
Village in Wales
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Landscapes & nature
Ynys Gifftan
United Kingdom · 6 km north
Tidal island near the south east shore of Traeth Bach, the Dwyryd estuary near Portmeirion in Gwynedd, north Wales
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Landscapes & nature
Rhinog Fawr
Wales · 8 km east
Mountain (720m) in Gwynedd
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Landscapes & nature
Eryri National Park
Wales · 14 km north-east
National park in Wales