What is Gadancourt?
{{Infobox French commune |name = Gadancourt |image = Gadancourt - Mairie 01.jpg |caption = The town hall in Gadancourt |image coat of arms = Blason Gadancourt 95.svg |coordinates = {{coord|49.0969|1.8578|format=dms|display=inline,title}} |arrondissement = Pontoise |canton = Vauréal |commune = Avernes |elevation min m = 87 |elevation max m = 141 |area km2 = 4.68 |population = 83 |population date = 2015 |population footnotes = <ref name=pop2015>[https://www.insee.fr/fr/statistiques/fichier/3545833/Ensemble.pdf Téléchargement du fichier d'ensemble des populations légales en 2015], [[Institut national de la statistique et des études économiques|INSEE]]</ref> |INSEE = 95259 |postal code = 95450 }} '''Gadancourt''' is a former [[Communes of France|commune]]. It is in [[Île-de-France]] in the [[Val-d'Oise]] [[Departments of France|department]] in north [[France]]. On 1 January 2018, it was merged into the commune of [[Avernes]].<ref>[https://www.legifrance.gouv.fr/eli/arrete/2017/9/25/INTB1726955A/jo/texte Arrêté préfectoral] 25 September 2017 {{in lang|fr}}</ref> == References == {{reflist}} {{authority control}} {{France-geo-stub}} [[Category:Former communes in Val-d'Oise]]