But apparently it's not all large estates and castles under the Queen's portfolio belt.
The monarch is also a proud owner of a branch of fast-food chain, McDonalds.
The Banbury Gateway Shopping Park in Oxford is on land that forms part of the Crown Estate, which is host to a McDonald's chain.
Technically, the Crown Estate is not the Queen’s personal property, but is instead owned by Sovereign in the right of the Crown, with its profit going to the Treasury.