The City of London Corporation (until 2006 the Corporation of London) is the municipal governing body of the City of London (the "Square Mile").
The City of London Corporation is formally named the Mayor and Commonalty and Citizens of the City of London, thus including the Lord Mayor, the Court of Aldermen , the Court of Common Council and the Freemen and Livery of the City.
More information on the Wikipedia page [1].
The Corporation's website is [2]