Remains of the Castle of l'Areny Monument · Castell de l'Areny, Berguedà, Barcelona Image of Castell de l'Areny, not of the place itself. Remains of the termenat castle that gives its name to the municipality of Castell de l'Areny (Berguedà, Barcelona). According to the article on the municipality, the place name comes from the Germanic Castellum Athalasindi, which evolved into Castell d'Alareny and from there into the present-day Castell de l'Areny. Photo: joan ggk (CC BY 2.0) What to see and do in Castell de l'Areny