Aberdeen Burghs Scottish burgh
 
Aberdeenshire Scottish County
 
Abingdon Borough within Berkshire
 
Aldborough Borough within Yorkshire
 
Aldeburgh Borough within Suffolk
 
Amersham Borough within Buckinghamshire
 
Andover Borough within Hampshire
 
Anglesey County
 
Anstruther Easter Burghs County
 
Appleby Borough within Westmorland
 
Argyllshire County
 
Armagh Borough within Co. Armagh
 
Arundel Borough within Sussex
 
Ashburton Borough within Devon