From Aberdaron, Gwynedd to all cities in Gwent starting with letter H
- Hafodyrynys, Gwynedd
- Hardwick, Gwynedd
- Hayes Gate, Gwynedd
- Hendredenny, Gwynedd
- Hendredenny Park, Gwynedd
- Hengoed, Gwynedd
- Henllys, Gwynedd
- Henllys Vale, Gwynedd
- High Cross, Gwynedd
- High Meadow, Gwynedd
- Highmoor Hill, Gwynedd
- Hilltop, Gwynedd
- Hollybush, Gwynedd
- Hollybush, Gwynedd
- Hoop, Gwynedd