| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Maarnech | city | Clervaux | Luxembourg | 50.05 | 6.06 | 1689 | 2989 |
| Machtum | city | Luxembourg | 49.66 | 6.43 | 830 | 14379 | |
| Machum | city | Luxembourg | 49.66 | 6.43 | 830 | 14379 | |
| Maison Burg | city | Diekirch | Luxembourg | 49.83 | 6.18 | 1026 | 9832 |
| Maison Cronière | city | Esch-sur-Alzette | Luxembourg | 49.52 | 5.85 | 1669 | 41653 |
| Maison Goelt | city | Redange | Luxembourg | 49.82 | 5.86 | 1669 | 3474 |
| Maison Hardtwos | city | Echternach | Luxembourg | 49.77 | 6.45 | 1125 | 7171 |
| Maison Hoerchen | city | Capellen | Luxembourg | 49.57 | 5.93 | 1049 | 27521 |
| Maison Hoffmann | city | Grevenmacher | Luxembourg | 49.70 | 6.28 | 977 | 8302 |
| Maison Klein | city | Redange | Luxembourg | 49.75 | 5.85 | 941 | 6818 |
| Maison Leh | city | Diekirch | Luxembourg | 49.88 | 6.23 | 1099 | 5052 |
| Maison Lepschet | city | Wiltz | Luxembourg | 49.88 | 5.95 | 1669 | 2562 |
| Maison Leptsch | city | Wiltz | Luxembourg | 49.88 | 5.95 | 1669 | 2562 |
| Maison Peffer | city | Esch-sur-Alzette | Luxembourg | 49.52 | 6.17 | 830 | 11835 |
| Maison Rodbach | city | Redange | Luxembourg | 49.78 | 5.94 | 938 | 5149 |
| Maison Wangert | city | Redange | Luxembourg | 49.80 | 5.87 | 1230 | 4205 |
| Maisons Alteschmeltz | city | Capellen | Luxembourg | 49.70 | 5.98 | 862 | 6986 |
| Maisons Banzelt | city | Grevenmacher | Luxembourg | 49.67 | 6.33 | 925 | 6240 |
| Maisons Boussert | city | Mersch | Luxembourg | 49.73 | 6.13 | 1204 | 12287 |
| Maisons Horras | city | Redange | Luxembourg | 49.81 | 5.92 | 1017 | 4133 |
| Maisons Kreutzerbuch | city | Capellen | Luxembourg | 49.70 | 5.92 | 1115 | 9952 |
| Maisons Lannenberg | city | Redange | Luxembourg | 49.79 | 5.84 | 1082 | 4207 |
| Maisons Leerchen | city | Redange | Luxembourg | 49.86 | 5.95 | 1669 | 3763 |
| Maisons Pieschend | city | Redange | Luxembourg | 49.79 | 5.84 | 1082 | 4207 |
| Maisons Prevent | city | Mersch | Luxembourg | 49.72 | 6.18 | 1049 | 9256 |
| Maisons Wolper | city | Echternach | Luxembourg | 49.76 | 6.35 | 1023 | 4703 |
| Mamer | city | Capellen | Luxembourg | 49.63 | 6.02 | 997 | 22855 |
| Mameris | city | Capellen | Luxembourg | 49.63 | 6.02 | 997 | 22855 |
| Manternach | city | Grevenmacher | Luxembourg | 49.70 | 6.43 | 830 | 15710 |
| Marbourg | city | Clervaux | Luxembourg | 50.05 | 6.07 | 1669 | 2954 |
| Marienthal | city | Mersch | Luxembourg | 49.71 | 6.06 | 1148 | 10573 |
| Marnach | city | Clervaux | Luxembourg | 50.05 | 6.06 | 1689 | 2989 |
| Marscheid | city | Vianden | Luxembourg | 49.95 | 6.11 | 1669 | 1959 |
| Martelinville | city | Redange | Luxembourg | 49.87 | 5.77 | 1669 | 2163 |
| Marxberg | city | Vianden | Luxembourg | 49.90 | 6.21 | 1095 | 6745 |
| Masions Heisbich | city | Echternach | Luxembourg | 49.80 | 6.35 | 1020 | 6523 |
| Masseler | city | Wiltz | Luxembourg | 49.93 | 6.04 | 902 | 2046 |
| Massen | city | Clervaux | Luxembourg | 50.12 | 5.99 | 1669 | 4017 |
| Maulin Diederich | city | Luxembourg | Luxembourg | 49.60 | 6.25 | 853 | 13536 |
| Mecher | city | Wiltz | Luxembourg | 49.92 | 5.87 | 1669 | 2366 |
| Mecher | city | Clervaux | Luxembourg | 50.04 | 6.02 | 1669 | 3587 |
| Mecher-Dunkrodt | city | Wiltz | Luxembourg | 49.92 | 5.87 | 1669 | 2366 |
| Mecher-lez-Clervaux | city | Clervaux | Luxembourg | 50.04 | 6.02 | 1669 | 3587 |
| Mecher-sur-Clervaux | city | Clervaux | Luxembourg | 50.04 | 6.02 | 1669 | 3587 |
| Medernach | city | Diekirch | Luxembourg | 49.80 | 6.22 | 1200 | 4719 |
| Medingen | city | Luxembourg | Luxembourg | 49.57 | 6.25 | 853 | 11722 |
| Meespelt | city | Capellen | Luxembourg | 49.69 | 6.06 | 1240 | 16987 |
| Meispelt | city | Capellen | Luxembourg | 49.69 | 6.06 | 1240 | 16987 |
| Mensdorf | city | Grevenmacher | Luxembourg | 49.65 | 6.30 | 954 | 9078 |
| Menster | city | Grevenmacher | Luxembourg | 49.65 | 6.30 | 954 | 9078 |
| Mercols | city | Wiltz | Luxembourg | 49.96 | 5.98 | 1669 | 5429 |
| Mergenhof | city | Redange | Luxembourg | 49.82 | 5.87 | 1669 | 3858 |
| Merkholtz | city | Wiltz | Luxembourg | 49.96 | 5.98 | 1669 | 5429 |
| Merkholz | city | Wiltz | Luxembourg | 49.96 | 5.98 | 1669 | 5429 |
| Merkols | city | Wiltz | Luxembourg | 49.96 | 5.98 | 1669 | 5429 |
| Merl | city | Luxembourg | Luxembourg | 49.60 | 6.10 | 915 | 73596 |
| Mersch | city | Mersch | Luxembourg | 49.75 | 6.11 | 830 | 11811 |
| Merscheid | city | Wiltz | Luxembourg | 49.87 | 5.97 | 1669 | 3686 |
| Merscheid | city | Vianden | Luxembourg | 49.95 | 6.11 | 1669 | 1959 |
| Merscheid-les-Putscheid | city | Vianden | Luxembourg | 49.95 | 6.11 | 1669 | 1959 |
| Merscheid-lès-Heiderscheid | city | Wiltz | Luxembourg | 49.87 | 5.97 | 1669 | 3686 |
| Mertert | city | Grevenmacher | Luxembourg | 49.70 | 6.48 | 889 | 28529 |
| Mertzig | city | Diekirch | Luxembourg | 49.83 | 6.01 | 1230 | 5213 |
| Merzig | city | Diekirch | Luxembourg | 49.83 | 6.01 | 1230 | 5213 |
| Meršas | city | Mersch | Luxembourg | 49.75 | 6.11 | 830 | 11811 |
| Mesebuerg | city | Mersch | Luxembourg | 49.76 | 6.19 | 1030 | 5762 |
| Meysembourg | city | Mersch | Luxembourg | 49.76 | 6.19 | 1030 | 5762 |
| Michelau | city | Diekirch | Luxembourg | 49.90 | 6.09 | 895 | 9114 |
| Michelbouch | city | Redange | Luxembourg | 49.82 | 6.02 | 1112 | 7001 |
| Michelbuch | city | Redange | Luxembourg | 49.82 | 6.02 | 1112 | 7001 |
| Michelsberg | city | Redange | Luxembourg | 49.82 | 6.02 | 1112 | 7001 |
| Michelshaff | city | Echternach | Luxembourg | 49.77 | 6.38 | 1112 | 7023 |
| Michelshof | city | Echternach | Luxembourg | 49.77 | 6.38 | 1112 | 7023 |
| Miechtem | city | Luxembourg | 49.66 | 6.43 | 830 | 14379 | |
| Miedernach | city | Diekirch | Luxembourg | 49.80 | 6.22 | 1200 | 4719 |
| Mierkels | city | Wiltz | Luxembourg | 49.96 | 5.98 | 1669 | 5429 |
| Miersch | city | Mersch | Luxembourg | 49.75 | 6.11 | 830 | 11811 |
| Mierscheet | city | Vianden | Luxembourg | 49.95 | 6.11 | 1669 | 1959 |
| Mierscheet | city | Wiltz | Luxembourg | 49.87 | 5.97 | 1669 | 3686 |
| Millebaach | city | Luxembourg | Luxembourg | 49.63 | 6.12 | 879 | 84889 |
| Misère | city | Redange | Luxembourg | 49.87 | 5.83 | 1669 | 2439 |
| Misèrehof | city | Redange | Luxembourg | 49.87 | 5.83 | 1669 | 2439 |
| Moellerdall | city | Echternach | Luxembourg | 49.78 | 6.31 | 1059 | 5111 |
| Moersdorf | city | Echternach | Luxembourg | 49.74 | 6.50 | 830 | 31061 |
| Moesdorf | city | Mersch | Luxembourg | 49.77 | 6.12 | 984 | 12260 |
| Moestroff | city | Diekirch | Luxembourg | 49.87 | 6.24 | 830 | 4497 |
| Mompach | city | Echternach | Luxembourg | 49.75 | 6.46 | 1023 | 12492 |
| Mompech | city | Echternach | Luxembourg | 49.75 | 6.46 | 1023 | 12492 |
| Mondercange | city | Esch-sur-Alzette | Luxembourg | 49.53 | 5.99 | 951 | 45864 |
| Mondorf le Benas | city | Remich | Luxembourg | 49.51 | 6.28 | 830 | 7393 |
| Mondorf-les-Bains | city | Remich | Luxembourg | 49.51 | 6.28 | 830 | 7393 |
| Monnerech | city | Esch-sur-Alzette | Luxembourg | 49.53 | 5.99 | 951 | 45864 |
| Monnerich | city | Esch-sur-Alzette | Luxembourg | 49.53 | 5.99 | 951 | 45864 |
| Morsche | city | Mersch | Luxembourg | 49.75 | 6.11 | 830 | 11811 |
| Morsdorf | city | Echternach | Luxembourg | 49.74 | 6.50 | 830 | 31061 |
| Moserhaff | city | Diekirch | Luxembourg | 49.85 | 6.21 | 918 | 7699 |
| Moserhof | city | Diekirch | Luxembourg | 49.85 | 6.21 | 918 | 7699 |
| Mosingerhof | city | Diekirch | Luxembourg | 49.85 | 6.21 | 918 | 7699 |
| Moulin Colmesch | city | Mersch | Luxembourg | 49.70 | 6.12 | 830 | 19432 |
| Moulin Schenk | city | Mersch | Luxembourg | 49.73 | 6.22 | 1082 | 7888 |
| Moulin de Bascharage | city | Redange | Luxembourg | 49.88 | 5.90 | 1669 | 2423 |
| Moutfort | city | Luxembourg | Luxembourg | 49.59 | 6.26 | 830 | 12312 |
| Muellendorf | city | Luxembourg | Luxembourg | 49.68 | 6.13 | 1079 | 38000 |
| Muhlenbach | city | Luxembourg | Luxembourg | 49.63 | 6.12 | 879 | 84889 |
| Mullerthal | city | Echternach | Luxembourg | 49.78 | 6.31 | 1059 | 5111 |
| Munneref | city | Remich | Luxembourg | 49.51 | 6.28 | 830 | 7393 |
| Munsbach | city | Luxembourg | Luxembourg | 49.63 | 6.27 | 849 | 13552 |
| Munschecker | city | Grevenmacher | Luxembourg | 49.69 | 6.44 | 830 | 19188 |
| Munshausen | city | Clervaux | Luxembourg | 50.03 | 6.04 | 1669 | 3571 |
| Mutfert | city | Luxembourg | Luxembourg | 49.59 | 6.26 | 830 | 12312 |
| Mäertert | city | Grevenmacher | Luxembourg | 49.70 | 6.48 | 889 | 28529 |
| Mäerzeg | city | Diekirch | Luxembourg | 49.83 | 6.01 | 1230 | 5213 |
| Märjendall | city | Mersch | Luxembourg | 49.71 | 6.06 | 1148 | 10573 |
| Méchelbuch | city | Redange | Luxembourg | 49.82 | 6.02 | 1112 | 7001 |
| Méchelshaff | city | Echternach | Luxembourg | 49.77 | 6.38 | 1112 | 7023 |
| Méideng | city | Luxembourg | Luxembourg | 49.57 | 6.25 | 853 | 11722 |
| Méischdref | city | Mersch | Luxembourg | 49.77 | 6.12 | 984 | 12260 |
| Méischdref | city | Echternach | Luxembourg | 49.74 | 6.50 | 830 | 31061 |
| Méischtref | city | Diekirch | Luxembourg | 49.87 | 6.24 | 830 | 4497 |
| Mëlleref | city | Luxembourg | Luxembourg | 49.68 | 6.13 | 1079 | 38000 |
| Mënjecker | city | Grevenmacher | Luxembourg | 49.69 | 6.44 | 830 | 19188 |
| Mënsbech | city | Luxembourg | Luxembourg | 49.63 | 6.27 | 849 | 13552 |
| Müllendorf | city | Luxembourg | Luxembourg | 49.68 | 6.13 | 1079 | 38000 |
| Müsbach | city | Luxembourg | Luxembourg | 49.63 | 6.27 | 849 | 13552 |