Hanover Square is a square with a public park in the Financial District of Lower Manhattan in New York City. It is triangular in shape, formed by the intersections of Pearl Street and Hanover Street; Pearl Street and a street named "Hanover Square" itself (whose opposite side of Pearl continues as Hanover St.; and William Street and Stone Street. The side between …Hanover Square is a square with a public park in the Financial District of Lower Manhattan in New York City. It is triangular in shape, formed by the intersections of Pearl Street and Hanover Street; Pearl Street and a street named "Hanover Square" itself (whose opposite side of Pearl continues as Hanover St.; and William Street and Stone Street. The side between Hanover/Pearl intersection and William/Stone intersection is a pedestrian pathway along the building front facing the square and Pearl Street. Most surrounding buildings are primarily commercial.