Hyde Park Corner
The meeting point of Park Lane, Piccadilly, [Grosvenor Place]?, Constitution Hill and Knightsbridge, at the back of Buckingham Palace Gardens and [Green Park]?, and as the name suggests, at the corner of Hyde Park.
A pedestrian, cycle and horse path (Apsley Way) through the centre leads underneath the grand Wellington Arch.
[Apsley House]? stands on the corner with Park Lane and is open to the public.