Constituencies: A
20 constituencies
| Constituency | Nation | GSS code |
|---|---|---|
| Aberafan Maesteg | Wales | W07000081 |
| Aberdeen North | Scotland | S14000060 |
| Aberdeen South | Scotland | S14000061 |
| Aberdeenshire North and Moray East | Scotland | S14000062 |
| Airdrie and Shotts | Scotland | S14000063 |
| Aldershot | England | E14001063 |
| Aldridge-Brownhills | England | E14001064 |
| Alloa and Grangemouth | Scotland | S14000064 |
| Altrincham and Sale West | England | E14001065 |
| Alyn and Deeside | Wales | W07000082 |
| Amber Valley | England | E14001066 |
| Angus and Perthshire Glens | Scotland | S14000065 |
| Arbroath and Broughty Ferry | Scotland | S14000066 |
| Argyll, Bute and South Lochaber | Scotland | S14000067 |
| Arundel and South Downs | England | E14001067 |
| Ashfield | England | E14001068 |
| Ashford | England | E14001069 |
| Ashton-under-Lyne | England | E14001070 |
| Aylesbury | England | E14001071 |
| Ayr, Carrick and Cumnock | Scotland | S14000107 |