Cities
- Merseyside
- Macduff
- Malton
- Malvern
- Mirfield
- Motherwell
- Milton Keynes
- Middlesbrough
- Manchester
- Mablethorpe
- Macclesfield
- Machen
- Machynlleth
- Maesteg
- Maghera
- Magherafelt
- Maidenhead
- Maidstone
- Malahide
- Maldon
- Malmesbury
- Malpas
- Maltby
- Manaccan
- Manningtree
- Mansfield
- Marazion
- March
- Marden
- Maresfield
- Margaretting
- Margate
- Market Deeping
- Market Drayton
- Market Harborough
- Market Rasen
- Markfield
- Markyate
- Marlborough
- Marlow
- Marnhull
- Marple
- Marston Moreteyne
- Martin
- Martock
- Marton
- Maryport
- Matfield
- Matlock
- Mauchline
- Maybole
- Mayfield
- Meifod
- Melbourn
- Melbourne
- Melksham
- Melmerby
- Melrose
- Meltham
- Melton Constable
- Melton Mowbray
- Menstrie
- Meopham
- Meppershall
- Mere
- Meriden
- Merriott
- Merthyr Tydfil
- Merton
- Methil
- Mexborough
- Middlesex
- Middleton
- Middlewich
- Midhurst
- Midsomer Norton
- Mildenhall
- Milford
- Mill Hill
- Milland
- Millbrook
- Millom
- Milnathort
- Milnthorpe
- Milton Common
- Milton Ernest
- Minehead
- Minster Lovell
- Misterton
- Mitcham
- Mitcheldean
- Moccas
- Moffat
- Moggerhanger
- Moira
- Mold
- Monaghan
- Monkton
- Monmouth
- Montgomery
- Montrose
- Moor Row
- Morcambe
- Morden
- Morecambe
- Moreton
- Moreton-In-Marsh
- Morley
- Morpeth
- Mortimer
- Mortlake
- Mossley
- Moulton
- Mountain Ash
- Mountsorrel
- Much Hadham
- Much Wenlock
- Muir of Ord
- Mundon
- Munlochy
- Musselburgh
- Muswell Hill
- Mutford
- Mytholmroyd
- meir
- Marfleet
- Moorgate
- Mayfair
- Medway
- Meadowfield
- Marshalswick
- Maney
- Merstham
- Maiden Newton
- Milborne Port
- Middle Assendon
- Mossley Hill
- Mawdesley
- Milnsbridge
- Midge Hall
- Merrow
- Maghull
- Mangotsfield
- Marple Bridge
- Monkseaton
- Maidenbower
- Market Weighton
- Menston
- Marypark
- Meikleour
- Mynydd Isa
- Meidrim
- Mid Glamorgan
- Midlothian
- Morayshire