From Tregew, Cornwall to all cities in Gwent starting with letter A
- Aberbargoed, Cornwall
- Aberbeeg, Cornwall
- Abercarn, Cornwall
- Abergavenny, Cornwall
- Abersychan, Cornwall
- Abertillery, Cornwall
- Abertridwr, Cornwall
- Abertysswg, Cornwall
- Allt yr yn, Cornwall
- Alway, Cornwall
- Argoed, Cornwall
- Ashvale, Cornwall