All places in Gwynedd
| A | Abergwyngregyn |
| B | Bangor, Barmouth |
| C | Caernarfon, Coed Y Brenin |
| D | Dolgellau |
| H | Harlech |
| L | Llanberis, Llanderfel, Llanllyfni, Lleyn |
| M | Mynydd Rhiw |
| P | Pwllheli |
| S | Shell Island |
| V | Vivian Quarry |
| A | Abergwyngregyn |
| B | Bangor, Barmouth |
| C | Caernarfon, Coed Y Brenin |
| D | Dolgellau |
| H | Harlech |
| L | Llanberis, Llanderfel, Llanllyfni, Lleyn |
| M | Mynydd Rhiw |
| P | Pwllheli |
| S | Shell Island |
| V | Vivian Quarry |