A town-council camp that covers a full working day, mostly in English.
A central Madrid Christmas camp you can do in German as well as English, with groups capped at 12.

Christmas Camp: La Casita de Inglés

Hello! Christmas and New Year Camp

Christmas Camp at Centro Cultural Sanchinarro

Christmas School Pozuelo

Christmas Language Camp: TANDEM Madrid

Christmas Fun Week: Kids&Us La Vaguada

Christmas Fun Week: Kids&Us Canillas

Christmas English Camp: FAST English