Banbury Borough within Oxfordshire
 
Banffshire Scottish County
 
Barnstaple Borough within Devon
 
Bath Borough within Somerset
 
Beaumaris Borough within Anglesey
 
Bedford Borough within Bedfordshire
 
Bedfordshire County
 
Bere Alston Borough within Devon
 
Berkshire County
 
Berwick-upon-Tweed Borough within Northumberland
 
Berwickshire (Merse) Scottish County
 
Beverley Borough within Yorkshire
 
Bewdley Borough within Worcestershire
 
Bishop's Castle Borough within Shropshire
 
Bletchingley Borough within Surrey
 
Bodmin Borough within Cornwall
 
Boroughbridge Borough within Yorkshire
 
Bossiney Borough within Devon
 
Boston Borough within Lincolnshire
 
Brackley Borough within Northamptonshire
 
Bramber Borough within Sussex
 
Brecon Borough within Breconshire
 
Breconshire Welsh County
 
Bridgnorth Borough within Shropshire
 
Bridgwater Borough within Somerset
 
Bridport Borough within Dorset
 
Bristol Borough within Gloucestershire
 
Buckingham Borough within Buckinghamshire
 
Buckinghamshire County