| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Baile Mhic Duibhidghe | city | United Kingdom | 55.15 | -6.50 | 177 | 4319 | |
| Baile an Doire | city | United Kingdom | 54.53 | -6.27 | 200 | 14541 | |
| Ballidivity | city | United Kingdom | 55.15 | -6.50 | 177 | 4319 | |
| Ballinderry | city | United Kingdom | 54.53 | -6.27 | 200 | 14541 | |
| Ballinderry Lower | city | United Kingdom | 54.53 | -6.27 | 200 | 14541 | |
| Ballsmill | city | United Kingdom | 54.07 | -6.50 | 249 | 4745 | |
| Ballydivity | city | United Kingdom | 55.15 | -6.50 | 177 | 4319 | |
| Ballydonegan | city | United Kingdom | 54.87 | -7.02 | 1115 | 3575 | |
| Bandaraya London | city | United Kingdom | 51.51 | -0.09 | 55 | 735279 | |
| Barningham | city | United Kingdom | 54.48 | -1.87 | 862 | 1288 | |
| Blackrock | city | United Kingdom | 51.80 | -3.15 | 1669 | 29491 | |
| Blackwatertown | city | United Kingdom | 54.42 | -6.70 | 209 | 4930 | |
| Boardmills | city | United Kingdom | 54.47 | -5.93 | 265 | 16425 | |
| Bontgoch | city | United Kingdom | 52.45 | -3.93 | 830 | 2903 | |
| Brockagh | city | United Kingdom | 54.55 | -6.60 | 190 | 4636 | |
| Broughderg | city | United Kingdom | 54.72 | -7.00 | 830 | 3497 |