| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Efailwen | city | Carmarthenshire | United Kingdom | 51.90 | -4.71 | 830 | 2107 |
| Efenechtyd | city | Sir Ddinbych | United Kingdom | 53.08 | -3.33 | 830 | 8852 |
| Effingham | city | Surrey | United Kingdom | 51.25 | -0.40 | 830 | 30661 |
| Efrog | city | York | United Kingdom | 53.97 | -1.08 | 45 | 71477 |