Fortis Green is a ward in the extreme northwestern corner of the Borough of Haringey, north London. It is also the name of the road that runs between Muswell Hill and East Finchley which forms part of the A504.

The London Borough of Haringey is a London borough in north London, classified by some definitions as part of Inner London, and by others as part of Outer London. It was created in 1965 by the amalgamation of three former boroughs. It shares borders with six other London boroughs. Clockwise from the north, they are: Enfield, Waltham Forest, Hackney, Islington, Camden, and Barnet.