Castles & palaces
Palace of Queluz
Former royal palace and current national palace at Queluz, Sintra, Portugal
Wikipedia names Palace of Queluz 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 Palace of Queluz. Each title’s page links to the sentence that says so.
Filming locations nearby
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Towns & cities
Amadora
Portugal · 2 km east
Municipality in Portugal
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Castles & palaces
D. Luís I. Fort
Portugal · 5 km south
Prison and former fort in Caxias, Portugal
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Landmarks & buildings
Casa do Artista
Portugal · 6 km east
Cultural institution in Portugal
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Landmarks & buildings
Palace of the Marquises of Fronteira
Portugal · 7 km east
Building in Lisbon, Lisbon District, Portugal
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Landmarks & buildings
Jerónimos Monastery
Portugal · 7 km south-east
Building in Santa Maria de Belém, Lisbon District, Portugal
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Castles & palaces
Belém Tower
Portugal · 8 km south-east
Fortified tower located in the civil parish of Santa Maria de Belém in the municipality of Lisbon, Portugal