Castets et Castillon

{{Use dmy dates|date=August 2023}}

{{Infobox French commune

|name = Castets et Castillon

|commune status = Commune

|image = Castets-en-Dorthe Mairie.jpg

|caption = The town hall in Castets-en-Dorthe

|image coat of arms =

|arrondissement = Langon

|canton = Le Sud-Gironde

|INSEE = 33106

|postal code = 33120

|mayor =

|term =

|intercommunality = Sud Gironde

|coordinates = {{coord|44.563|-0.152|format=dms|display=inline,title}}

|elevation m =

|elevation min m =

|elevation max m =

|area km2 = 13.16

|population = {{France metadata Wikidata|population_total}}

|population date = {{France metadata Wikidata|population_as_of}}

|population footnotes = {{France metadata Wikidata|population_footnotes}}

}}

Castets et Castillon (Gascon: Castèths e Castilhon) is a commune in the department of Gironde, southwestern France. The municipality was established on 1 January 2017 by merger of the former communes of Castets-en-Dorthe (the seat) and Castillon-de-Castets.[https://www.legifrance.gouv.fr/eli/arrete/2016/8/1/INTB1622460A/jo/texte Arrêté préfectoral] 1 August 2016 {{in lang|fr}}