Manorbier Newton

Manordeilo

Manselton

Marchwiel

Mardy

Marford

Margam

Marian Cwm

Marian Glas

Markham

Marloes

Martletwy

Mathry / Mathri

Mawdlam

Mayals

Mayhill

Meidrim

Meinciau

Meliden / Gallt

Melinbyrhedyn

Melin Y Coed

Melin Y Wig

Menai Bridge

Menai Bridge / Porthaethwy

Merlin's Bridge

Merthyr Cynog

Merthyr Dyfan

Merthyr Mawr

Merthyr Tydfil

Merthyr Tydfil / Merthyr Tudful

Michaelston Y Fedw

Milebrook

Milford Haven

Milford Haven / Aberdaugleddau

Millin Cross

Milwr

Minera

Minffordd

Minllyn

Mitchel Troy

Mitcheltroy Common

Mochdre

Moelfre

Mold / Yr Wyddgrug

Monmouth

Monmouth / Trefynwy

Montgomery / Trefaldwyn

Morfa