| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Aiberbrothock | city | Angus | United Kingdom | 56.55 | -2.58 | 0 | 10623 |
| Aibercrossan | city | Highland | United Kingdom | 57.42 | -5.82 | 324 | 0 |
| Aiberdeen | city | Aberdeen City | United Kingdom | 57.13 | -2.10 | 118 | 60528 |
| Aiberleddy | city | East Lothian | United Kingdom | 56.00 | -2.85 | 147 | 12520 |
| Aichillidh Bhuidhe | city | Highland | United Kingdom | 58.02 | -5.37 | 0 | 1 |
| Aigburth | city | Liverpool | United Kingdom | 53.37 | -2.93 | 3 | 217840 |
| Aikton | city | Cumbria | United Kingdom | 54.87 | -3.13 | 59 | 4533 |
| Ainderby | city | North Yorkshire | United Kingdom | 54.32 | -1.48 | 141 | 7437 |
| Ainderby Steeple | city | North Yorkshire | United Kingdom | 54.32 | -1.48 | 141 | 7437 |
| Ainsdale | city | Sefton | United Kingdom | 53.60 | -3.03 | 16 | 70880 |
| Ainsdale-on-Sea | city | Sefton | United Kingdom | 53.60 | -3.03 | 16 | 70880 |
| Ainstable | city | Cumbria | United Kingdom | 54.80 | -2.73 | 830 | 2114 |
| Ainster | city | Fife | United Kingdom | 56.22 | -2.70 | 0 | 5395 |
| Aintree | city | Liverpool | United Kingdom | 53.47 | -2.93 | 55 | 174497 |
| Aird | city | Causeway Coast and Glens | United Kingdom | 55.23 | -6.50 | 203 | 3094 |
| Aird A' Bhasair | city | Highland | United Kingdom | 57.07 | -5.90 | 0 | 0 |
| Aird Finn | city | Argyll and Bute | United Kingdom | 55.80 | -6.02 | 0 | 0 |
| Aird Rosain | city | North Ayrshire | United Kingdom | 55.62 | -4.82 | 0 | 3116 |
| Aird Thunga | city | Eilean Siar | United Kingdom | 58.23 | -6.33 | 0 | 334 |
| Aird Tong | city | Eilean Siar | United Kingdom | 58.23 | -6.33 | 0 | 334 |
| Aird Tunga | city | Eilean Siar | United Kingdom | 58.23 | -6.33 | 0 | 334 |
| Aird Uig | city | Eilean Siar | United Kingdom | 58.23 | -7.03 | 49 | 245 |
| Aird of Sleat | city | Highland | United Kingdom | 57.03 | -5.95 | 0 | 0 |
| Aird of Tong | city | Eilean Siar | United Kingdom | 58.23 | -6.33 | 0 | 334 |
| Airdrie | city | North Lanarkshire | United Kingdom | 55.85 | -3.98 | 367 | 50930 |
| Airdrie i North Lanarkshire | city | North Lanarkshire | United Kingdom | 55.85 | -3.98 | 367 | 50930 |
| Airmyn | city | East Riding of Yorkshire | United Kingdom | 53.72 | -0.90 | 6 | 2786 |
| Airor | city | Highland | United Kingdom | 57.07 | -5.77 | 830 | 0 |
| Airth | city | Falkirk | United Kingdom | 56.07 | -3.77 | 3 | 30183 |
| Airton | city | North Yorkshire | United Kingdom | 54.02 | -2.15 | 830 | 0 |
| Aiseag a' Fhaolainn | city | Argyll and Bute | United Kingdom | 55.83 | -6.08 | 141 | 0 |
| Aisholt | city | Somerset | United Kingdom | 51.11 | -3.15 | 830 | 12099 |
| Aislaby | city | North Yorkshire | United Kingdom | 54.45 | -0.67 | 255 | 7493 |
| Aith | city | Shetland Islands | United Kingdom | 60.27 | -1.38 | 262 | 0 |
| Aitnoch | city | Moray | United Kingdom | 57.45 | -3.72 | 879 | 348 |