South Wales was a European Parliament constituency covering south central Wales, including the city of Cardiff.
Bristol was a European Parliament constituency centred on Bristol in England, but covering much of Avon. Until 1984, it included parts of southern Gloucestershire and northwestern Wiltshire.
Cleveland was a European Parliament constituency covering Cleveland and parts of North Yorkshire in England.
Cornwall and Plymouth was a European Parliament constituency covering the county of Cornwall and the city of Plymouth in Devon, England.
Devon was a European Parliament constituency covering all of Devon in England, with the exception of the city of Plymouth.
Humberside was a European Parliament constituency, covering most of the former Humberside district of England.
Leeds was a European Parliament constituency, centred on Leeds in the West Yorkshire area of England.
Mid and West Wales was a European Parliament constituency covering south western Wales.
North Wales was a European Parliament constituency which roughly covered the geographic region of North Wales, from 1979 until 1999. It was held by the Conservative Party from 1979 until 1989, during which time it was their only seat in Wales.
Somerset was a European Parliament constituency in England, covering all of Somerset and southern Avon.
Wessex was a European Parliament constituency covering all of Dorset in England, plus parts of western Hampshire and southern Wiltshire. It was named after the Anglo-Saxon Kingdom of Wessex.
Yorkshire North was a European Parliament constituency covering much of North Yorkshire and part of Humberside in England.
Yorkshire South was a European Parliament constituency covering most of South Yorkshire in England.
Yorkshire West was a European Parliament constituency covering the western parts of West Yorkshire in England, including Bradford and Halifax.
South Wales Central was a European Parliament constituency covering south central Wales, including the city of Cardiff.
Somerset and North Devon was a European Parliament constituency covering all of Somerset in England, plus northern Devon and south-western Avon. With Cornwall and West Plymouth, it was one of the first two seats to elect a Liberal Democrat Member of the European Parliament.
Somerset and Dorset West was a European Parliament constituency covering all of Somerset in England, plus parts of Avon and western Dorset.
North Yorkshire was a European Parliament constituency covering much of the county of North Yorkshire in England.
Dorset East and Hampshire West was a European Parliament constituency covering most of Dorset and parts of western Hampshire in England.
Cornwall and West Plymouth was a European Parliament constituency covering Cornwall and Plymouth in England. With Somerset and North Devon, it was one of the first two seats to elect a Liberal Democrat Member of the European Parliament.
