The title is named after Rothesay on the Isle of Bute, Argyll and Bute, but is not associated with any legal entity or landed property, unlike the Duchy of Cornwall.
Titula je nazvana prema Rothesayju na otoku Buteu u Argyllu i Buteu, ali za razliku od vojvodine Cornwalla nije pridružena nijednom legalnom entitetu ili vlasništvu nad zemljom.