Cities
- Antrim
- Aberdeen
- Angus
- Armagh
- Alford
- Aboyne
- Alvechurce
- Alcester
- Aldridge
- Airdrie
- Abberley
- Abbots Langley
- Abbotsbury
- Aberbargoed
- Aberdare
- Abergavenny
- Abergele
- Aberlady
- Aberlour
- Abertillery
- Aberystwyth
- Abingdon
- Accrington
- Acton
- Addlestone
- Adlington
- Albourne
- Albrighton
- Alderley Edge
- Aldermaston
- Alderney
- Aldershot
- Alfreton
- Allerton Bywater
- Alloa
- Almondbank
- Alness
- Alnwick
- Alperton
- Alresford
- Alsager
- Altrincham
- Alva
- Ashford
- Ashington
- Alston
- Alton
- Amble
- Ambleside
- Amersham
- Ammanford
- Ampthill
- Annan
- Anstruther
- Appleby-in-Westmorland
- Arbroath
- Aberteifi (Cardigan)
- Abridge
- Adderbury
- Addington
- Albury
- Aldbourne
- Aldeburgh
- Aldwych
- Alexandria
- Althorp
- Alton Towers
- Altricham
- Alvechurch
- Alveley
- Alveston
- Ambergate
- Amesbury
- Amlwch
- Andover
- Anglesey
- Angmering
- Appley
- Ardgay
- Ardrossan
- Arlesey
- Arlington
- Armadale
- Armitage
- Arnold
- Arundel
- Ascot
- Ash
- Ash Vale
- Ashbourne
- Ashburton
- Ashby-de-la-Zouch
- Ashtead
- Ashton
- Ashton-in-Makerfield
- Ashton-under-Lyne
- Ashwell
- Aston
- Atherstone
- Atherton
- Attleborough
- Auchterarder
- Aughnacloy
- Aveley
- Aviemore
- Axbridge
- Axminster
- Aylesbury
- Aylesford
- Aylestone
- Ayr
- Asenby
- Ardwick
- Ashley Down
- Appleton
- Audenshaw
- Aynho
- Avon
- Argyll
- Ayrshire
