Location
Buildings looking upon the square include the churches Westminster Abbey and St Margaret's, Westminster, the Middlesex Guildhall which is the seat of the Supreme Court of the United Kingdom, Government Offices Great George Street serving HM Treasury and HM Revenue and Customs, and Portcullis House.
Roads that branch off the Parliament Square are St. Margaret Street (towards Millbank), Broad Sanctuary (towards Victoria Street), Great George Street (towards Birdcage Walk), Parliament Street (leading into Whitehall), and Bridge Street (leading onto Westminster Bridge).
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