| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Machiurani | city | Tamil Nadu | India | 9.27 | 79.04 | 39 | 13292 |
| Madambakkam | city | Tamil Nadu | India | 12.85 | 80.05 | 95 | 70035 |
| Madarpakkam | city | Tamil Nadu | India | 13.45 | 80.01 | 108 | 38419 |
| Madattukkulam | city | Tamil Nadu | India | 10.56 | 77.37 | 974 | 28194 |
| Madavakam | city | Tamil Nadu | India | 13.09 | 80.25 | 36 | 2625003 |
| Madavaram | city | Tamil Nadu | India | 13.34 | 80.09 | 65 | 39747 |
| Madayattūr | city | Tamil Nadu | India | 12.70 | 80.15 | 65 | 29838 |
| Maderaspatanum | city | Tamil Nadu | India | 13.08 | 80.25 | 39 | 2773854 |
| Madhavaram | city | Tamil Nadu | India | 13.15 | 80.23 | 42 | 997624 |
| Madimaikandigai | city | Tamil Nadu | India | 13.37 | 80.22 | 36 | 30176 |
| Madipakkam | city | Tamil Nadu | India | 12.96 | 80.20 | 26 | 617886 |
| Madiyūr | city | Tamil Nadu | India | 13.27 | 80.23 | 42 | 57661 |
| Madras | city | Tamil Nadu | India | 13.08 | 80.25 | 39 | 2773854 |
| Madras Chetput | city | Tamil Nadu | India | 13.07 | 80.24 | 49 | 2957984 |
| Madras Egmore | city | Tamil Nadu | India | 13.07 | 80.26 | 45 | 2689196 |
| Madras Mylapore | city | Tamil Nadu | India | 13.03 | 80.27 | 52 | 1775085 |
| Madras Nungambakan | city | Tamil Nadu | India | 13.06 | 80.23 | 49 | 2960540 |
| Madras Perambur | city | Tamil Nadu | India | 13.11 | 80.24 | 36 | 2193138 |
| Madras Rayapuram | city | Tamil Nadu | India | 13.11 | 80.30 | 36 | 1368760 |
| Madras Saint Thomas Mount | city | Tamil Nadu | India | 13.00 | 80.20 | 65 | 1423889 |
| Madras Thyagarayanagar | city | Tamil Nadu | India | 13.04 | 80.24 | 45 | 2765140 |
| Madras Triplicane | city | Tamil Nadu | India | 13.05 | 80.28 | 45 | 1772718 |
| Madras Vepery | city | Tamil Nadu | India | 13.08 | 80.27 | 39 | 2234639 |
| Madraspatnam | city | Tamil Nadu | India | 13.08 | 80.25 | 39 | 2773854 |
| Madukarai | city | Tamil Nadu | India | 10.90 | 76.96 | 1059 | 48581 |
| Madukkarai | city | Tamil Nadu | India | 10.90 | 76.96 | 1059 | 48581 |
| Madukkur | city | Tamil Nadu | India | 10.48 | 79.40 | 9 | 64359 |
| Madura | city | Tamil Nadu | India | 9.92 | 78.12 | 830 | 102720 |
| Madurai | city | Tamil Nadu | India | 9.92 | 78.12 | 830 | 102720 |
| Maduraivayal | city | Tamil Nadu | India | 13.06 | 80.17 | 52 | 1182718 |
| Madurajus | city | Tamil Nadu | India | 9.92 | 78.12 | 830 | 102720 |
| Madurantakam | city | Tamil Nadu | India | 12.51 | 79.89 | 98 | 64273 |
| Maduranthakam | city | Tamil Nadu | India | 12.51 | 79.89 | 98 | 64273 |
| Maduravasal | city | Tamil Nadu | India | 13.29 | 80.08 | 68 | 37907 |
| Maduráj | city | Tamil Nadu | India | 9.92 | 78.12 | 830 | 102720 |
| Magaral | city | Tamil Nadu | India | 13.20 | 80.05 | 101 | 37703 |
| Mahabalipuram | city | Tamil Nadu | India | 12.62 | 80.19 | 55 | 35812 |
| Mahapalipuram | city | Tamil Nadu | India | 12.62 | 80.19 | 55 | 35812 |
| Mahâballipuram | city | Tamil Nadu | India | 12.62 | 80.19 | 55 | 35812 |
| Mahābalipūr | city | Tamil Nadu | India | 12.62 | 80.19 | 55 | 35812 |
| Mahādevi | city | Tamil Nadu | India | 11.15 | 78.40 | 830 | 47170 |
| Mahārājagadai | city | Tamil Nadu | India | 12.63 | 78.25 | 1863 | 37399 |
| Mailai | city | Tamil Nadu | India | 12.71 | 80.11 | 98 | 29840 |
| Mailore | city | Tamil Nadu | India | 10.03 | 78.34 | 830 | 54155 |
| Maisettisattiram | city | Tamil Nadu | India | 13.47 | 80.12 | 49 | 40268 |
| Malaipattu | city | Tamil Nadu | India | 12.92 | 80.01 | 170 | 33263 |
| Malaiyadivaram | city | Tamil Nadu | India | 10.87 | 78.38 | 351 | 50182 |
| Malaiyadvaram | city | Tamil Nadu | India | 10.87 | 78.38 | 351 | 50182 |
| Malaiyandipattanam | city | Tamil Nadu | India | 10.54 | 76.98 | 997 | 49023 |
| Malaiyūr | city | Tamil Nadu | India | 12.49 | 79.46 | 830 | 48724 |
| Malayampālaiyam | city | Tamil Nadu | India | 11.19 | 77.84 | 830 | 49691 |
| Malivakkam | city | Tamil Nadu | India | 13.29 | 80.19 | 39 | 63808 |
| Mallankuli | city | Tamil Nadu | India | 11.75 | 76.92 | 2857 | 24744 |
| Mallapuram | city | Tamil Nadu | India | 11.98 | 78.25 | 1669 | 35059 |
| Mallasamudram | city | Tamil Nadu | India | 11.49 | 78.03 | 830 | 44972 |
| Malliakarai | city | Tamil Nadu | India | 11.57 | 78.49 | 862 | 34957 |
| Malliankuppam | city | Tamil Nadu | India | 13.27 | 80.05 | 98 | 37380 |
| Mallipatnam | city | Tamil Nadu | India | 10.30 | 79.38 | 0 | 38087 |
| Malliyakarai | city | Tamil Nadu | India | 11.57 | 78.49 | 862 | 34957 |
| Malliyankuppam | city | Tamil Nadu | India | 13.33 | 80.09 | 68 | 38847 |
| Mallur | city | Tamil Nadu | India | 11.54 | 78.14 | 971 | 49613 |
| Mamallapuram | city | Tamil Nadu | India | 12.62 | 80.19 | 55 | 35812 |
| Mamandur | city | Tamil Nadu | India | 12.75 | 79.68 | 269 | 47998 |
| Mamavettu | city | Tamil Nadu | India | 12.64 | 80.17 | 32 | 42571 |
| Mambakkam | city | Tamil Nadu | India | 12.58 | 80.01 | 78 | 30196 |
| Mambakkam | city | Tamil Nadu | India | 12.84 | 80.17 | 62 | 46327 |
| Mambedu | city | Tamil Nadu | India | 13.32 | 80.01 | 111 | 40673 |
| Manali | city | Tamil Nadu | India | 10.58 | 79.65 | 13 | 45779 |
| Manali | city | Tamil Nadu | India | 13.17 | 80.27 | 26 | 490509 |
| Manali | city | Tamil Nadu | India | 13.36 | 80.05 | 98 | 45108 |
| Manalurpet | city | Tamil Nadu | India | 12.01 | 79.09 | 396 | 72800 |
| Manalūrpettai | city | Tamil Nadu | India | 12.01 | 79.09 | 396 | 72800 |
| Manamadura | city | Tamil Nadu | India | 9.70 | 78.46 | 209 | 31801 |
| Manamai | city | Tamil Nadu | India | 12.59 | 80.15 | 45 | 52850 |
| Manamalkudi | city | Tamil Nadu | India | 10.04 | 79.23 | 3 | 22891 |
| Manambedu | city | Tamil Nadu | India | 13.07 | 80.04 | 101 | 64742 |
| Manamelkudi | city | Tamil Nadu | India | 10.04 | 79.23 | 3 | 22891 |
| Manampam | city | Tamil Nadu | India | 12.63 | 79.66 | 285 | 38482 |
| Manapad Point | city | Tamil Nadu | India | 8.38 | 78.06 | 6 | 15463 |
| Manaparai | city | Tamil Nadu | India | 10.61 | 78.43 | 830 | 49070 |
| Manappadu | city | Tamil Nadu | India | 8.38 | 78.06 | 6 | 15463 |
| Manappakkam | city | Tamil Nadu | India | 13.01 | 80.17 | 45 | 920815 |
| Manapparai | city | Tamil Nadu | India | 10.61 | 78.43 | 830 | 49070 |
| Manapuram | city | Tamil Nadu | India | 11.98 | 78.25 | 1669 | 35059 |
| Manavalakurichi | city | Tamil Nadu | India | 8.15 | 77.31 | 9 | 76023 |
| Mandalamānikkam | city | Tamil Nadu | India | 9.46 | 78.34 | 131 | 29224 |
| Mandapam | city | Tamil Nadu | India | 9.28 | 79.14 | 26 | 9083 |
| Mandappārai | city | Tamil Nadu | India | 12.64 | 78.95 | 2532 | 33930 |
| Mandapārai | city | Tamil Nadu | India | 12.64 | 78.95 | 2532 | 33930 |
| Mangalam | city | Tamil Nadu | India | 9.77 | 78.64 | 134 | 26673 |
| Mangalam | city | Tamil Nadu | India | 11.64 | 79.28 | 249 | 42224 |
| Mangalam | city | Tamil Nadu | India | 13.33 | 80.08 | 75 | 41242 |
| Mangalam | city | Tamil Nadu | India | 12.60 | 80.07 | 118 | 30774 |
| Mangammapettai | city | Tamil Nadu | India | 13.37 | 80.15 | 39 | 43272 |
| Mangāvaram | city | Tamil Nadu | India | 13.44 | 80.16 | 29 | 33115 |
| Manimangalam | city | Tamil Nadu | India | 12.92 | 80.04 | 65 | 45038 |
| Maniyachchi | city | Tamil Nadu | India | 8.86 | 77.90 | 252 | 15056 |
| Maniyachi | city | Tamil Nadu | India | 8.86 | 77.90 | 252 | 15056 |
| Manjambakkam | city | Tamil Nadu | India | 13.16 | 80.23 | 42 | 508359 |
| Manjankaranai | city | Tamil Nadu | India | 13.27 | 80.12 | 62 | 44566 |
| Mannady | city | Tamil Nadu | India | 13.10 | 80.29 | 3 | 1662319 |
| Mannavedu Devadānam | city | Tamil Nadu | India | 12.63 | 80.13 | 45 | 35843 |
| Mannivakkam | city | Tamil Nadu | India | 12.89 | 80.06 | 114 | 66596 |
| Mannur | city | Tamil Nadu | India | 13.02 | 79.96 | 167 | 38815 |
| Mannārgudi | city | Tamil Nadu | India | 11.28 | 79.55 | 95 | 66278 |
| Mannārgudi | city | Tamil Nadu | India | 10.67 | 79.45 | 19 | 59354 |
| Manopuram | city | Tamil Nadu | India | 13.34 | 80.25 | 26 | 24733 |
| Mantasantakuppam | city | Tamil Nadu | India | 12.72 | 80.06 | 147 | 41423 |
| Manthaiveli | city | Tamil Nadu | India | 13.03 | 80.27 | 0 | 1775085 |
| Manur | city | Tamil Nadu | India | 10.51 | 77.48 | 984 | 40386 |
| Manuru | city | Tamil Nadu | India | 13.10 | 79.80 | 193 | 33825 |
| Marakayārpatnam | city | Tamil Nadu | India | 9.28 | 79.13 | 29 | 10415 |
| Marakkanam | city | Tamil Nadu | India | 12.20 | 79.94 | 75 | 44528 |
| Marandahalli | city | Tamil Nadu | India | 12.39 | 78.00 | 1876 | 50278 |
| Marandahally | city | Tamil Nadu | India | 12.39 | 78.00 | 1876 | 50278 |
| Markanum | city | Tamil Nadu | India | 12.20 | 79.94 | 75 | 44528 |
| Maruderi | city | Tamil Nadu | India | 12.75 | 80.08 | 157 | 44864 |
| Marungapuri | city | Tamil Nadu | India | 10.44 | 78.41 | 830 | 29651 |
| Marutadu | city | Tamil Nadu | India | 12.49 | 79.67 | 246 | 52290 |
| Masinigudi | city | Tamil Nadu | India | 11.57 | 76.64 | 3349 | 9269 |
| Masnigudi | city | Tamil Nadu | India | 11.57 | 76.64 | 3349 | 9269 |
| Masuramedu | city | Tamil Nadu | India | 13.38 | 80.23 | 13 | 19864 |
| Matattuppatti | city | Tamil Nadu | India | 8.82 | 77.80 | 127 | 25400 |
| Mathravedu | city | Tamil Nadu | India | 13.35 | 80.22 | 26 | 34149 |
| Mathuracheri | city | Tamil Nadu | India | 13.26 | 80.27 | 39 | 83602 |
| Mathurai | city | Tamil Nadu | India | 9.92 | 78.12 | 830 | 102720 |
| Mattagiri | city | Tamil Nadu | India | 12.70 | 77.81 | 3349 | 42982 |
| Mattigiri | city | Tamil Nadu | India | 12.70 | 77.81 | 3349 | 42982 |
| Mattūr | city | Tamil Nadu | India | 12.38 | 78.41 | 1669 | 46847 |
| Maunur | city | Tamil Nadu | India | 8.85 | 77.65 | 275 | 30269 |
| Mayavalasa | city | Tamil Nadu | India | 9.20 | 78.70 | 22 | 16746 |
| Mayaveram | city | Tamil Nadu | India | 11.10 | 79.65 | 29 | 115538 |
| Mayiladuthurai | city | Tamil Nadu | India | 11.10 | 79.65 | 29 | 115538 |
| Mayilappur | city | Tamil Nadu | India | 13.03 | 80.27 | 52 | 1775085 |
| Mayuram | city | Tamil Nadu | India | 11.10 | 79.65 | 29 | 115538 |