| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
3101  | Maryport Maryport,Meriport,ma li bo te,marypwrt,Мерипорт,ماریپورت,瑪麗波特 | United Kingdom, England Cumbria > Cumberland > Maryport | populated place population 9,555 | N 54° 42′ 51'' | W 3° 29′ 42'' |
| 3102 | Martock  | United Kingdom, England Somerset > South Somerset District > Martock | populated place population 4,522 | N 50° 58′ 25'' | W 2° 46′ 0'' |
| 3103 | Martham Martham | United Kingdom, England Norfolk > Great Yarmouth District > Martham | populated place population 3,405 | N 52° 42′ 16'' | E 1° 38′ 10'' |
| 3104 | Marston | United Kingdom, England Oxfordshire > Oxford > Old Marston | populated place population 3,348 | N 51° 46′ 49'' | W 1° 14′ 41'' |
| 3105 | Marske Marske,Marske by the Sea,Marske-by-the-Sea | United Kingdom, England Redcar and Cleveland > Saltburn, Marske and New Marske | populated place population 8,282 | N 54° 35′ 29'' | W 1° 1′ 10'' |
| 3106 | Marsden Marsden | United Kingdom, England Kirklees | populated place population 3,889 | N 53° 36′ 0'' | W 1° 55′ 0'' |
| 3107 | Marlow Great Marlow,Marlow | United Kingdom, England Buckinghamshire > Wycombe > Marlow | populated place population 18,261 | N 51° 34′ 9'' | W 0° 46′ 26'' |
3108  | Marlie Loch Loch of Drumellie,Marlee Loch,Marlie Loch | United Kingdom, Scotland Perth and Kinross | lake | N 56° 34′ 0'' | W 3° 24′ 0'' |
| 3109 | Marlborough Marlborough i Wiltshire,Merlebrigia,malabara,malbeoleo,marlbwrw wyltshr,mrlbwrw,מרלבורו,مارلبورو، و... | United Kingdom, England Wiltshire > Marlborough | seat of a third-order administrative division population 8,395 | N 51° 25′ 13'' | W 1° 43′ 46'' |
| 3110 | Markyate Markyate,Markyatestreet | United Kingdom, England Hertfordshire > Dacorum District > Markyate | populated place population 2,912 | N 51° 50′ 18'' | W 0° 27′ 48'' |
| 3111 | Markinch Markinch | United Kingdom, Scotland Fife | populated place population 2,430 | N 56° 12′ 7'' | W 3° 8′ 6'' |
| 3112 | Market Warsop | United Kingdom, England Nottinghamshire > Mansfield District > Warsop | populated place population 9,018 | N 53° 12′ 18'' | W 1° 9′ 9'' |
| 3113 | Market Lavington Lavington,Market Lavington | United Kingdom, England Wiltshire > Market Lavington | populated place population 2,482 | N 51° 17′ 15'' | W 1° 58′ 38'' |
| 3114 | Market Bosworth Bosvorts'kij rinok,Bosvortskij rynok,markt bwswwrth,Босвортский рынок,Босвортський ринок,مارکت بوسوو... | United Kingdom, England Leicestershire > Hinckley and Bosworth District > Market Bosworth | populated place population 2,097 | N 52° 37′ 27'' | W 1° 24′ 6'' |
| 3115 | Marden Marden | United Kingdom, England Kent > Maidstone > Marden | populated place population 2,466 | N 51° 10′ 29'' | E 0° 29′ 18'' |
| 3116 | Marchwood Marchwood | United Kingdom, England Hampshire > New Forest > Marchwood | populated place population 6,141 | N 50° 53′ 22'' | W 1° 27′ 15'' |
| 3117 | Marcham Marcham | United Kingdom, England Oxfordshire > Vale of White Horse District > Marcham | populated place population 1,740 | N 51° 40′ 3'' | W 1° 20′ 34'' |
| 3118 | Manea | United Kingdom, England Cambridgeshire > Fenland District > Manea | populated place population 2,088 | N 52° 29′ 5'' | E 0° 10′ 45'' |
| 3119 | Malpas Malpas | United Kingdom, England Cheshire > Malpas | seat of a third-order administrative division population 1,321 | N 53° 1′ 0'' | W 2° 46′ 0'' |
| 3120 | Malmesbury Mal'msberi,Malmesburia,Malmesbury,malmzbwry,Мальмсбері,مالمزبوری | United Kingdom, England Wiltshire > Malmesbury | populated place population 6,318 | N 51° 34′ 54'' | W 2° 5′ 49'' |
| 3121 | Mallaig Malaig,Mallaig Beg,ma lai ge,马莱格 | United Kingdom, Scotland Highland > Inverness-shire | populated place population 780 | N 57° 0′ 10'' | W 5° 49′ 50'' |
3122  | Mainland Mainland,Mainland Island,Meinlant,Mejnlend,Shetland Mainland,mei en lan dao,meinlaendeu,meinrando da... | United Kingdom, Scotland Shetland Islands | island | N 60° 16′ 0'' | W 1° 16′ 0'' |
| 3123 | Maiden Newton Maiden Newton | United Kingdom, England Dorset > West Dorset District > Maiden Newton | populated place population 1,268 | N 50° 46′ 44'' | W 2° 34′ 20'' |
| 3124 | Magor Magor | United Kingdom, Wales Monmouthshire > Magor with Undy | populated place population 5,941 | N 51° 34′ 46'' | W 2° 49′ 53'' |
| 3125 | Magheralin | United Kingdom, Northern Ireland Armagh City Banbridge and Craigavon | populated place population 1,172 | N 54° 28′ 1'' | W 6° 15′ 35'' |
| 3126 | Maghera Machaire Ratha,Machaire Rátha,Makhura,maghera,Махъра,मघेरा | United Kingdom, Northern Ireland Mid Ulster | populated place population 4,085 | N 54° 50′ 38'' | W 6° 40′ 17'' |
| 3127 | Madeley Madeley | United Kingdom, England Staffordshire > Newcastle-under-Lyme District > Madeley | populated place population 3,893 | N 53° 0′ 0'' | W 2° 20′ 0'' |
| 3128 | Macmerry | United Kingdom, Scotland East Lothian | populated place population 1,350 | N 55° 56′ 25'' | W 2° 54′ 18'' |
| 3129 | Machynlleth Machynlleth,Macynletas,Makhinlet,Makhunlet,Mačynletas,ma han lai si,macyanllent,makinleseu,markarett... | United Kingdom, Wales Powys > Machynlleth | populated place population 2,235 | N 52° 35′ 22'' | W 3° 51′ 11'' |
| 3130 | Machen Machen | United Kingdom, Wales Caerphilly > Bedwas, Trethomas and Machen | populated place population 2,362 | N 51° 35′ 45'' | W 3° 8′ 30'' |
| 3131 | Macduff An Dun,An Dùn,An Dún,Dun MhicDhuibh,Dùn MhicDhuibh | United Kingdom, Scotland Aberdeenshire | populated place population 4,030 | N 57° 40′ 12'' | W 2° 29′ 48'' |
| 3132 | Lynton Linton,Lynton | United Kingdom, England Devon > North Devon District > Lynton and Lynmouth | populated place population 1,157 | N 51° 13′ 46'' | W 3° 50′ 28'' |
| 3133 | Lyneham LYE,Linkhem,Lyneham,Линхем | United Kingdom, England Wiltshire > Lyneham and Bradenstoke | populated place population 5,437 | N 51° 31′ 0'' | W 1° 58′ 0'' |
| 3134 | Lyndhurst | United Kingdom, England Hampshire > New Forest > Lyndhurst | populated place population 2,347 | N 50° 52′ 21'' | W 1° 34′ 35'' |
| 3135 | Lympne Limpn,Лимпн | United Kingdom, England Kent > Shepway District > Lympne | populated place population 1,704 | N 51° 4′ 39'' | E 1° 1′ 41'' |
| 3136 | Lymm Lim,lymm,Лим,ليمم | United Kingdom, England Warrington > Lymm | seat of a third-order administrative division population 11,608 | N 53° 22′ 51'' | W 2° 28′ 39'' |
| 3137 | Lydd LYX,Lydd,lyd knt,لید، کنت | United Kingdom, England Kent > Shepway District > Lydd | populated place population 3,889 | N 50° 57′ 4'' | E 0° 54′ 23'' |
| 3138 | Lydbrook Lydbrook | United Kingdom, England Gloucestershire > Forest of Dean > Lydbrook | populated place population 1,894 | N 51° 50′ 15'' | W 2° 34′ 41'' |
| 3139 | Lutterworth Lutterworth,latrwwrth,لاتروورث | United Kingdom, England Leicestershire > Harborough District > Lutterworth | populated place population 9,907 | N 52° 27′ 22'' | W 1° 12′ 7'' |
| 3140 | Lundy Landi,Lunda insula,Lundey,Lundy,Lundy Island,Ynys Wair,jzyrt lwndy,lan di dao,randi dao,Ланди,جزيرة ... | United Kingdom, England Devon > Torridge District | island | N 51° 10′ 33'' | W 4° 40′ 9'' |
| 3141 | Lundin Links Lundin Links | United Kingdom, Scotland Fife | populated place population 2,124 | N 56° 12′ 50'' | W 2° 57′ 6'' |
| 3142 | Luncarty | United Kingdom, Scotland Perth and Kinross | populated place population 1,680 | N 56° 27′ 11'' | W 3° 28′ 12'' |
| 3143 | Lugwardine Lugwardine | United Kingdom, England Herefordshire > Lugwardine | populated place population 1,913 | N 52° 3′ 57'' | W 2° 39′ 28'' |
| 3144 | Luddenden Foot | United Kingdom, England Calderdale | populated place population 2,190 | N 53° 43′ 7'' | W 1° 56′ 45'' |
| 3145 | Low Etherley | United Kingdom, England Durham > Etherley | populated place population 1,929 | N 54° 39′ 12'' | W 1° 44′ 35'' |
| 3146 | Lower Kingswood | United Kingdom, England Surrey > Reigate and Banstead District | populated place population 1,760 | N 51° 16′ 10'' | W 0° 12′ 44'' |
| 3147 | Lower Halstow | United Kingdom, England Kent > Swale District > Lower Halstow | populated place population 1,180 | N 51° 22′ 26'' | E 0° 40′ 5'' |
| 3148 | Lowdham | United Kingdom, England Nottinghamshire > Newark and Sherwood District > Lowdham | populated place population 2,234 | N 53° 0′ 43'' | W 1° 0′ 17'' |
| 3149 | Low Bradley Bradley,Low Bradley | United Kingdom, England North Yorkshire > Craven District > Bradleys Both | populated place population 1,244 | N 53° 55′ 55'' | W 1° 59′ 47'' |
| 3150 | Loudwater Loudwater | United Kingdom, England Buckinghamshire > Wycombe > Chepping Wycombe | populated place population 4,170 | N 51° 36′ 38'' | W 0° 42′ 5'' |
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