Castilly

{{Expand French|topic=geo|date=December 2008|Castilly}}

{{Infobox French commune

|name = Castilly

|image = Castilly - Château (2).JPG

|arrondissement = Bayeux

|canton = Trévières

|INSEE = 14142

|postal code = 14330

|commune = Isigny-sur-Mer

|coordinates = {{coord|49.2711|-1.0228|format=dms|display=inline,title}}

|elevation m = 40

|elevation min m = 4

|elevation max m = 64

|area km2 = 12.2

|population = 283

|population date = 2022

|population footnotes = {{cite web|url=https://www.insee.fr/fr/statistiques/fichier/8290591/ensemble.pdf|title=Populations de référence 2022|language=fr|trans-title=Reference populations 2022|publisher=INSEE|date=December 2024}}

}}

Castilly ({{IPA|fr|kastiji|-|Fr-Paris--Castilly.ogg}}) is a former commune in the Calvados department in the Normandy region in northwestern France. On 1 January 2017, it was merged into the commune Isigny-sur-Mer.[https://www.legifrance.gouv.fr/eli/arrete/2016/9/8/INTB1629488A/jo/texte Arrêté préfectoral] 8 September 2016 {{in lang|fr}}