Fortwilliam ward is located in north Belfast, centred around the Antrim Road. The area is primarily residential, characterised by a mix of detached and semi-detached housing. It is bordered by the Cavehill area to the west and the Shore Road to the east, placing it near Belfast Lough. The ward contains significant green space, including the expansive grounds of Belfast Castle and the adjacent Hazelwood area.
A notable local landmark is the Fortwilliam Park, a large private park for residents established in the Victorian era. The ward is also home to several schools and community facilities. The terrain slopes upward from the lough towards Cavehill, providing elevated views over the city. Its location offers direct access to the Cave Hill Country Park walking trails.
