| Maesteg West | Electoral division | W05001243 |
| Maesycwmmer | Electoral division | W05001662 |
| Magor East with Undy | Electoral division | W05001782 |
| Magor West | Electoral division | W05001783 |
| Malpas | Electoral division | W05001637 |
| Manorbier and Penally | Electoral division | W05001459 |
| Manordeilo and Salem | Electoral division | W05001216 |
| Marchwiel | Electoral division | W05001743 |
| Mardy | Electoral division | W05001784 |
| Marford and Hoseley | Electoral division | W05001744 |
| Margam and Tai-bach | Electoral division | W05001702 |
| Martletwy | Electoral division | W05001460 |
| Mayals | Electoral division | W05001054 |
| Melindwr | Electoral division | W05001323 |
| Menai | Electoral division | W05001551 |
| Merlin's Bridge | Electoral division | W05001461 |
| Merthyr Vale | Electoral division | W05001620 |
| Milford: Central | Electoral division | W05001462 |
| Milford: East | Electoral division | W05001463 |
| Milford: Hakin | Electoral division | W05001464 |
| Milford: Hubberston | Electoral division | W05001465 |
| Milford: North | Electoral division | W05001466 |
| Milford: West | Electoral division | W05001467 |
| Minera | Electoral division | W05001745 |
| Mitchel Troy and Trellech United | Electoral division | W05001785 |
| Mochdre | Electoral division | W05001423 |
| Moel Famau | Electoral division | W05001343 |
| Mold East | Electoral division | W05001604 |
| Mold South | Electoral division | W05001605 |
| Mold West | Electoral division | W05001606 |
| Mold: Broncoed | Electoral division | W05001603 |
| Morfa Nefyn a Thudweiliog | Electoral division | W05001552 |
| Morfa Tywyn | Electoral division | W05001553 |
| Morgan Jones | Electoral division | W05001663 |
| Moriah and Pontlottyn | Electoral division | W05001664 |
| Morriston | Electoral division | W05001055 |
| Mostyn | Electoral division | W05001607 |
| Mount Pleasant | Electoral division | W05001786 |
| Mountain Ash | Electoral division | W05001092 |
| Mumbles | Electoral division | W05001056 |
| Mwldan | Electoral division | W05001324 |
| Mynydd-bach | Electoral division | W05001057 |
| Nant-y-moel | Electoral division | W05001244 |
| Nantyglo | Electoral division | W05001266 |
| Narberth: Rural | Electoral division | W05001469 |
| Narberth: Urban | Electoral division | W05001468 |
| Neath East | Electoral division | W05001703 |
| Neath North | Electoral division | W05001704 |
| Neath South | Electoral division | W05001705 |
| Nefyn | Electoral division | W05001554 |
| Nelson | Electoral division | W05001665 |
| New Broughton | Electoral division | W05001746 |
| New Inn | Electoral division | W05001370 |
| New Quay and Llanllwchaearn | Electoral division | W05001325 |
| New Tredegar | Electoral division | W05001666 |
| Newbridge | Electoral division | W05001667 |
| Newport and Dinas | Electoral division | W05001470 |
| Newton | Electoral division | W05001245 |
| Newtown Central and South | Electoral division | W05001160 |
| Newtown East | Electoral division | W05001161 |
| Newtown North | Electoral division | W05001162 |
| Newtown West | Electoral division | W05001163 |
| Neyland: East | Electoral division | W05001471 |
| Neyland: West | Electoral division | W05001472 |
| Northop | Electoral division | W05001608 |
| Nottage | Electoral division | W05001246 |
| Offa | Electoral division | W05001747 |
| Ogmore Vale | Electoral division | W05001247 |
| Old Radnor | Electoral division | W05001164 |
| Oldcastle | Electoral division | W05001248 |
| Osbaston | Electoral division | W05001787 |
| Overmonnow | Electoral division | W05001788 |
| Overton and Maelor South | Electoral division | W05001748 |
| Pandy | Electoral division | W05001424 |
| Pant and Johnstown | Electoral division | W05001749 |
| Panteg | Electoral division | W05001371 |
| Parc a'r Mynydd | Electoral division | W05001500 |
| Park | Electoral division | W05001621 |
| Park | Electoral division | W05001789 |
| Peblig | Electoral division | W05001555 |
| Pembrey | Electoral division | W05001217 |
| Pembroke Dock: Bufferland | Electoral division | W05001473 |
| Pembroke Dock: Bush | Electoral division | W05001474 |
| Pembroke Dock: Central | Electoral division | W05001475 |
| Pembroke Dock: Market | Electoral division | W05001476 |
| Pembroke Dock: Pennar | Electoral division | W05001477 |
| Pembroke: Monkton and St Mary South | Electoral division | W05001478 |
| Pembroke: St Mary North | Electoral division | W05001479 |
| Pembroke: St Michael | Electoral division | W05001480 |
| Pen draw Llŷn | Electoral division | W05001556 |
| Pen Y Fal | Electoral division | W05001790 |
| Pen-clawdd | Electoral division | W05001058 |
| Pen-sarn Pentre Mawr | Electoral division | W05001427 |
| Pen-y-fai | Electoral division | W05001250 |
| Pen-y-ffordd | Electoral division | W05001609 |
| Pen-y-graig | Electoral division | W05001095 |
| Pen-y-groes | Electoral division | W05001559 |
| Pen-y-waun | Electoral division | W05001096 |
| Penbryn | Electoral division | W05001326 |
| Pencoed and Penprysg | Electoral division | W05001249 |
| Penderry | Electoral division | W05001059 |
| Penisa'r-waun | Electoral division | W05001557 |
| Penllergaer | Electoral division | W05001060 |
| Penmaen | Electoral division | W05001668 |
| Penmaenmawr | Electoral division | W05001425 |
| Pennard | Electoral division | W05001061 |
| Penrhiw-ceibr | Electoral division | W05001093 |
| Penrhyn | Electoral division | W05001426 |
| Penrhyndeudraeth | Electoral division | W05001558 |
| Pentre | Electoral division | W05001094 |
| Pentwyn | Electoral division | W05001286 |
| Pentyrch and St Fagans | Electoral division | W05001287 |
| Penycae | Electoral division | W05001750 |
| Penycae and Ruabon South | Electoral division | W05001751 |
| Penydarren | Electoral division | W05001622 |
| Penygroes | Electoral division | W05001218 |
| Penylan | Electoral division | W05001288 |
| Penyrheol | Electoral division | W05001669 |
| Peterston-super-Ely | Electoral division | W05001393 |
| Pillgwenlly | Electoral division | W05001638 |
| Plasnewydd | Electoral division | W05001289 |
| Plymouth | Electoral division | W05001394 |
| Plymouth | Electoral division | W05001623 |
| Ponciau | Electoral division | W05001752 |
| Pontardawe | Electoral division | W05001706 |
| Pontarddulais | Electoral division | W05001062 |
| Pontllanfraith | Electoral division | W05001670 |
| Pontlliw and Tircoed | Electoral division | W05001063 |
| Pontnewydd | Electoral division | W05001372 |
| Pontnewynydd and Snatchwood | Electoral division | W05001373 |
| Pontprennau and Old St Mellons | Electoral division | W05001290 |
| Pontyberem | Electoral division | W05001219 |
| Pontyclun Central | Electoral division | W05001097 |
| Pontyclun East | Electoral division | W05001098 |
| Pontyclun West | Electoral division | W05001099 |
| Pontypool Fawr | Electoral division | W05001374 |
| Pontypridd Town | Electoral division | W05001100 |
| Port Talbot | Electoral division | W05001707 |
| Porth | Electoral division | W05001101 |
| Porthcawl East Central | Electoral division | W05001251 |
| Porthcawl West Central | Electoral division | W05001252 |
| Portskewett | Electoral division | W05001791 |
| Prestatyn Central | Electoral division | W05001344 |
| Prestatyn East | Electoral division | W05001345 |
| Prestatyn Meliden | Electoral division | W05001346 |
| Prestatyn North | Electoral division | W05001347 |
| Prestatyn South West | Electoral division | W05001348 |
| Presteigne | Electoral division | W05001165 |
| Pyle, Kenfig Hill and Cefn Cribwr | Electoral division | W05001253 |
| Queensferry and Sealand | Electoral division | W05001610 |