Pete Bentley wrote:

R.C. Payne wrote:
NB Liverpool St station, I believe, is not actually in the City, it
stands just outside the edge, unlike the above named stations, that are
within the City of London.

Actually, it's just inside:-
http://www.cityoflondon.gov.uk/Corpo...undary_map.htm

Its being inside the City was the reason that most royal trains to
sandringham went from Kings Cross, rather than Liverpool Street.

Apparently, if the sovereign enters the City it triggers a host of
ceremonial, with the Lord Mayor required to attend, etc.