However it is the residence of their head of state.
In the United States, (that would be here) the residence of our head of state is the White House.
We do not have a sad pathetic parliamentary system in the US.
Perhaps like many people you never took civics?
Oh and did you ever repay the money you took from the US taxpayer with your "disabled" scam?
Instead, we have a sad pathetic Congress.
King Charles is head of state IN NAME ONLY.
He can’t start a war, can’t impose tariffs, can’t pass a simple law to round up stray dogs. The royals are parasites on Brits.