{{Use dmy dates|date=August 2023}} {{Infobox French commune |name = Beaussais-sur-Mer |commune status = [[Communes of France|Commune]] |image = Ploubalay-eglise.jpg |caption = The church of Saint-Pierre and Saint-Paul, in Ploubalay |image coat of arms = |arrondissement = Dinan |canton = Pleslin-Trigavou |INSEE = 22209 |postal code = 22650 |mayor = Eugène Caro<ref>{{cite web|title=Répertoire national des élus: les maires|url=https://www.data.gouv.fr/fr/datasets/r/2876a346-d50c-4911-934e-19ee07b0e503|publisher=data.gouv.fr, Plateforme ouverte des données publiques françaises|date=13 September 2022|language=fr}}</ref> |term = 2020&ndash;2026 |intercommunality = [[Dinan Agglomération]] |coordinates = {{coord|48.581|-2.139|format=dms|display=inline,title}} |elevation m = |elevation min m = |elevation max m = |area km2 = 41.65 |population = {{France metadata Wikidata|population_total}} |population date = {{France metadata Wikidata|population_as_of}} |population footnotes = {{France metadata Wikidata|population_footnotes}} }} '''Beaussais-sur-Mer''' ({{IPA|fr|bosɛ syʁ mɛʁ}}; {{langx|br|Bosez-Poudour}}) is a [[Communes of France|commune]] in the [[Departments of France|department]] of [[Côtes-d'Armor]], western [[France]]. The municipality was established on 1 January 2017 by merger of the former communes of [[Ploubalay]] (the seat), [[Plessix-Balisson]] and [[Trégon]].<ref>[https://www.legifrance.gouv.fr/eli/arrete/2016/8/30/INTB1627410A/jo/texte Arrêté préfectoral] 30 August 2016 {{in lang|fr}}</ref>

==Population== Population data refer to the commune in its geography as of January 2025. {{Historical populations |source = INSEE<ref name=pophist>[https://www.insee.fr/fr/statistiques/8643952?geo=COM-22209#tableau-POPREF_G1 Population municipale entre 1968 et 2023], INSEE</ref> |percentages = pagr |align = none |1968 |2548 |1975 |2606 |1982 |2649 |1990 |2687 |1999 |2728 |2007 |2876 |2012 |3208 |2017 |3556 |2023 |4498 }}

== See also == *[[Communes of the Côtes-d'Armor department]]

== References == {{Reflist}}

==External links== {{commons category|Beaussais-sur-Mer}} * {{official website}} {{Communes nouvelles of Côtes-d'Armor}}{{Côtes-d'Armor communes}}

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[[Category:Communes of Côtes-d'Armor]] [[Category:Communes nouvelles of Côtes-d'Armor]] [[Category:Populated places established in 2017]] [[Category:2017 establishments in France]]

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