Halton is a unitary authority district with borough status in Cheshire, North West England. It was created in 1974 as a district of the non-metropolitan county of Cheshire, and became a unitary authority area on 1 April 1998 under Halton Borough Council. Since 2014, it has been a member of the Liverpool City Region Combined Authority. The borough consists of the towns of Runcorn and Widnes and the civil parishes of Daresbury, Hale, Halebank, Moore, Preston Brook, and Sandymoor. The district borders Merseyside, the Borough of Warrington and Cheshire West and Chester.

Merseyside is a ceremonial and metropolitan county in North West England. It borders Lancashire to the north, Greater Manchester to the east, Cheshire to the south, the Welsh county of Flintshire across the Dee Estuary to the southwest, and the Irish Sea to the west. The largest settlement is the city of Liverpool.