Save Type Settlement Usage Finland Swedish Pronounced Pron. /ʉː.lɛ.ɔ.¹bɔrj/ [key·simplify] Meaning & History Combination of Ule, the name of a river whose name derives from the Finnish dialectal word oulu "floodwater", Swedish å "river, stream", and borg "castle, fortification". This is the Swedish name for Oulu.