- Bryngwyn
- Brynmawr
- Brynmenyn
- Brynna
- Buckley
- Builth Road
- Builth Wells
- Burry Green
- Burry Port
- Buttington
- Bwlch
- Bwlchnewydd
- Bwlchygroes
- Bynea
- Brithdir
- Brynawel
- Bute Town
- Butetown Community
- Blaenau
- Bronwydd
- Bryn
- Brynhyfryd
- Blue Anchor
- Burry Holms
- Belgrano
- Betws-yn-Rhôs
- Bryn Pydew
- Bethania
- Betws Bledrws
- Betws Ifan