| Cilgerran and Eglwyswrw | Electoral division | W05001439 |
| Ciliau Aeron | Electoral division | W05001306 |
| Cilycwm | Electoral division | W05001186 |
| Cimla and Pelenna | Electoral division | W05001690 |
| Clydach | Electoral division | W05001042 |
| Clynnog | Electoral division | W05001520 |
| Cockett | Electoral division | W05001043 |
| Coed Eva | Electoral division | W05001363 |
| Coedffranc Central | Electoral division | W05001691 |
| Coedffranc North | Electoral division | W05001692 |
| Coedffranc West | Electoral division | W05001693 |
| Coedpoeth | Electoral division | W05001726 |
| Coity Higher | Electoral division | W05001238 |
| Colwyn | Electoral division | W05001407 |
| Connah's Quay Central | Electoral division | W05001583 |
| Connah's Quay South | Electoral division | W05001585 |
| Connah's Quay: Golftyn | Electoral division | W05001584 |
| Connah's Quay: Wepre | Electoral division | W05001586 |
| Conwy | Electoral division | W05001408 |
| Cornelly | Electoral division | W05001239 |
| Cornerswell | Electoral division | W05001383 |
| Corris a Mawddwy | Electoral division | W05001521 |
| Court | Electoral division | W05001384 |
| Cowbridge | Electoral division | W05001385 |
| Craig-y-don | Electoral division | W05001409 |
| Criccieth | Electoral division | W05001522 |
| Crickhowell with Cwmdu and Tretower | Electoral division | W05001126 |
| Crigyll | Electoral division | W05001498 |
| Croesonen | Electoral division | W05001768 |
| Croesyceiliog | Electoral division | W05001364 |
| Crosskeys | Electoral division | W05001655 |
| Crucorney | Electoral division | W05001769 |
| Crumlin | Electoral division | W05001656 |
| Crymych and Mynachlog-ddu | Electoral division | W05001440 |
| Crynant, Onllwyn and Seven Sisters | Electoral division | W05001694 |
| Cwarter Bach | Electoral division | W05001187 |
| Cwm | Electoral division | W05001260 |
| Cwm Clydach | Electoral division | W05001079 |
| Cwm-twrch | Electoral division | W05001127 |
| Cwm-y-glo | Electoral division | W05001523 |
| Cwmbach | Electoral division | W05001080 |
| Cwmbwrla | Electoral division | W05001044 |
| Cwmllynfell and Ystalyfera | Electoral division | W05001695 |
| Cwmtillery | Electoral division | W05001261 |
| Cyfarthfa | Electoral division | W05001617 |
| Cymer | Electoral division | W05001081 |
| Cymer and Glyncorrwg | Electoral division | W05001696 |
| Cyncoed | Electoral division | W05001275 |
| Cynwyl Elfed | Electoral division | W05001188 |
| Dafen and Felinfoel | Electoral division | W05001189 |
| Darran Valley | Electoral division | W05001657 |
| De Dolgellau | Electoral division | W05001524 |
| De Pwllheli | Electoral division | W05001525 |
| Deganwy | Electoral division | W05001410 |
| Deiniolen | Electoral division | W05001526 |
| Denbigh Caledfryn Henllan | Electoral division | W05001334 |
| Denbigh Lower | Electoral division | W05001335 |
| Devauden | Electoral division | W05001770 |
| Dewi | Electoral division | W05001527 |
| Dewstow | Electoral division | W05001771 |
| Diffwys a Maenofferen | Electoral division | W05001528 |
| Dinas Powys | Electoral division | W05001386 |
| Disserth and Trecoed with Newbridge | Electoral division | W05001128 |
| Dolbenmaen | Electoral division | W05001529 |
| Dolforwyn | Electoral division | W05001129 |
| Dowlais and Pant | Electoral division | W05001618 |
| Drybridge | Electoral division | W05001772 |
| Dunvant and Killay | Electoral division | W05001045 |
| Dwyrain Bangor | Electoral division | W05001530 |
| Dwyrain Porthmadog | Electoral division | W05001531 |
| Dyfan | Electoral division | W05001387 |
| Dyffryn | Electoral division | W05001697 |
| Dyffryn Ardudwy | Electoral division | W05001532 |
| Dyffryn Ceiriog | Electoral division | W05001727 |
| Dyserth | Electoral division | W05001336 |
| East Williamston | Electoral division | W05001441 |
| Ebbw Vale North | Electoral division | W05001262 |
| Ebbw Vale South | Electoral division | W05001263 |
| Edeirnion | Electoral division | W05001337 |
| Efailnewydd a Buan | Electoral division | W05001533 |
| Efenechdyd | Electoral division | W05001338 |
| Eglwys-bach a Llangernyw | Electoral division | W05001411 |
| Eirias | Electoral division | W05001412 |
| Elli | Electoral division | W05001190 |
| Ely | Electoral division | W05001276 |
| Erddig | Electoral division | W05001728 |
| Esclusham | Electoral division | W05001729 |
| Faenor | Electoral division | W05001307 |
| Fairwater | Electoral division | W05001277 |
| Fairwater | Electoral division | W05001365 |
| Fairwood | Electoral division | W05001046 |
| Ferndale and Maerdy | Electoral division | W05001082 |
| Fishguard: North East | Electoral division | W05001442 |
| Fishguard: North West | Electoral division | W05001443 |
| Flint: Castle | Electoral division | W05001587 |
| Flint: Coleshill and Trelawny | Electoral division | W05001588 |
| Flint: Oakenholt | Electoral division | W05001589 |
| Forden and Montgomery | Electoral division | W05001130 |
| Gabalfa | Electoral division | W05001278 |
| Gaer | Electoral division | W05001633 |
| Garden Village | Electoral division | W05001730 |
| Garnant | Electoral division | W05001191 |
| Garw Valley | Electoral division | W05001240 |
| Gele and Llanddulas | Electoral division | W05001413 |
| Georgetown | Electoral division | W05001264 |
| Gerlan | Electoral division | W05001534 |
| Gibbonsdown | Electoral division | W05001388 |
| Gilfach | Electoral division | W05001658 |
| Gilfach-goch | Electoral division | W05001083 |
| Glanamman | Electoral division | W05001192 |
| Glantwymyn | Electoral division | W05001131 |
| Glanymor | Electoral division | W05001193 |
| Glasbury | Electoral division | W05001132 |
| Glaslyn | Electoral division | W05001535 |
| Glyder | Electoral division | W05001536 |
| Glyn | Electoral division | W05001194 |
| Glyn | Electoral division | W05001414 |
| Glyn y Marl | Electoral division | W05001415 |
| Glyn-coch | Electoral division | W05001084 |
| Glynneath Central and East | Electoral division | W05001698 |
| Gobion Fawr | Electoral division | W05001773 |
| Godre'r Graig | Electoral division | W05001699 |
| Goetre Fawr | Electoral division | W05001774 |
| Gogarth Mostyn | Electoral division | W05001416 |
| Gogledd Dolgellau | Electoral division | W05001537 |
| Gogledd Pwllheli | Electoral division | W05001538 |
| Goodwick | Electoral division | W05001444 |
| Gorllewin Porthmadog | Electoral division | W05001539 |
| Gorllewin Tywyn | Electoral division | W05001540 |
| Gorseinon and Penyrheol | Electoral division | W05001047 |
| Gorslas | Electoral division | W05001195 |
| Gower | Electoral division | W05001048 |
| Gowerton | Electoral division | W05001049 |
| Graig | Electoral division | W05001634 |
| Graig and Pontypridd West | Electoral division | W05001085 |
| Grangetown | Electoral division | W05001279 |
| Greenfield | Electoral division | W05001590 |
| Greenmeadow | Electoral division | W05001366 |
| Gresford East and West | Electoral division | W05001731 |
| Grofield | Electoral division | W05001775 |
| Grosvenor | Electoral division | W05001732 |
| Guilsfield | Electoral division | W05001133 |
| Gurnos | Electoral division | W05001619 |
| Gwaun-Cae-Gurwen and Lower Brynamman | Electoral division | W05001700 |
| Gwenfro | Electoral division | W05001733 |
| Gwernaffield and Gwernymynydd | Electoral division | W05001591 |
| Gwernyfed | Electoral division | W05001134 |
| Gwersyllt East | Electoral division | W05001734 |
| Gwersyllt North | Electoral division | W05001735 |
| Gwersyllt South | Electoral division | W05001736 |