- alderAny of several trees or shrubs of the genus Alnus, belonging to the birch family.
- AldershotA town in Rushmoor borough, Hampshire, England (OS grid ref SU8650).
- AldridgeA town in Walsall borough, West Midlands, England (OS grid ref SK0500).
- AldertonA village and civil parish in Tewkesbury borough, Gloucestershire (OS grid ref SP0033).
- EllertonA village and civil parish in the East Riding of Yorkshire, England (OS grid ref SE704398).
- AlderwickA surname.
- AldrethA hamlet near the River Great Ouse in Cambridgeshire, England.
- AllbrookA suburban village and civil parish in Eastleigh borough, Hampshire, England (OS grid ref SU4521).
- ArtingstallA surname from Old English.