Aed's appearance fighting alongside the men of Fortriu also suggests that he had given an oath of allegiance to Uuen and that the Kingdom of Dál Riata was under the dominion of the Picts.
The record of the battle given in the Annals of Ulster does not mention any location; however, it is possible that it took place within Fortriu and probably close to the sea.
[1] Uuen was the last king of the house of Fergus, which had dominated Pictland for at least 50 years and his decisive defeat against the Vikings lead to a period of instability in northern Britain.
"[7] Kenneth provided stability to northern Britain, uniting the kingdoms of Pictland and Dál Riata, and he is considered by many to be the founder of Scotland.
[8] Under the House of Alpin, outsiders stop making references to the Picts and a gradual process of Gaelicisation takes place, where the Pictish language and customs are replaced.