Proper noun
Cerdanya
A historical region in Catalonia
Arnalda, daughter of Arnau of Caboet, married the Viscount of Castellbò and both became Viscounts of Castellbò and Cerdanya. Source: Internet
They became Roger Bernat II and Ermessenda I, Counts of Foix, Viscounts of Castellbò and Cerdanya, and co-sovereigns of Andorra (shared with the Bishop of Urgell). Source: Internet