- AberA hamlet in Llanwenog community, Ceredigion, Wales (OS grid ref SN4748).
- AbergavennyA market town and community with a town council in Monmouthshire, Wales (OS grid ref SO2914).
- AberaeronA coastal town and community with a town council in Ceredigion, Wales (OS grid ref SN4562).
- AberavonA town in Neath Port Talbot borough, Wales (OS grid ref SS7590).
- AbersochA coastal village in Llanengan community, Gwynedd, Wales (OS grid ref SH3128).
- AbercynonA large village and community in Rhondda Cynon Taf borough, Wales (OS grid ref ST0894).
- AberamanA large village near Aberdare, Rhondda Cynon Taf borough county borough, Wales (OS grid ref SO0101).
- AberangellA village in Mawddwy community, south-east Gwynedd, Wales (OS grid ref SH8410).
- AberbranA hamlet west of Brecon, Powys, Wales (OS grid ref SN9829).
- AberdulaisA village in Blaenhonddan community, Neath Port Talbot borough county borough, Wales (OS grid ref SS7799).
- AberedwA village and community in Powys, Wales, historically in Radnorshire (OS grid ref SO0747).
- AberffrawA village and community in south-west Anglesey, Wales (OS grid ref SH3568).
- AbergorlechA small village in Llanfihangel Rhos-y-Corn community, Carmarthenshire, Wales (OS grid ref SN5833).
- AbergwiliA village and community near Carmarthen, Carmarthenshire, Wales (OS grid ref SN4321).
- AberkenfigA village in Newcastle Higher community, Bridgend borough county borough, Wales (OS grid ref SS8983).
- AberthawAn area of the Vale of Glamorgan borough county borough, Wales, at the mouth of the River Thaw, containing the villages of East Aberthaw and West Aberthaw (OS grid ref ST0266).