 From Celtic *"ebora-" 'plural genitive of the word eburos (trees)'.From Celtic *"Lacobriga-" 'Lake of Briga'.Second element from Celtic *"dūnon" 'fortress'

Second element from Celtic *"dūnon" 'fortress'

Asturias and Cantabria
From Celtic *"diwā-" 'goddess; holy, divine'

Castile

Galicia


Switzerland, especially the Swiss Plateau, has many Celtic (Gaulish) toponyms.