| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Ibrayankulam | city | North Eastern Province | Sri Lanka | 7.65 | 81.6 | 167 | 24844 |
| Iccilampattai | city | North Eastern Province | Sri Lanka | 8.3 | 81.3666667 | 19 | 15484 |
| Ichantive | city | North Eastern Province | Sri Lanka | 7.7166667 | 81.6333333 | 55 | 22405 |
| Ichantivu | city | North Eastern Province | Sri Lanka | 7.7166667 | 81.6333333 | 55 | 22405 |
| Ichchankulam | city | North Eastern Province | Sri Lanka | 8.8333333 | 80.4166667 | 249 | 8835 |
| Ichchantivu | city | North Eastern Province | Sri Lanka | 8.4666667 | 81.2 | 16 | 13238 |
| Ichchilampattai | city | North Eastern Province | Sri Lanka | 8.3 | 81.3666667 | 19 | 15484 |
| Ichchilanipattai | city | North Eastern Province | Sri Lanka | 8.3 | 81.3666667 | 19 | 15484 |
| Idai Kurichchi | city | North Eastern Province | Sri Lanka | 9.7333333 | 80.2166667 | 3 | 69243 |
| Idaikkadu | city | North Eastern Province | Sri Lanka | 9.7833333 | 80.1166667 | 3 | 59985 |
| Idaikkadu | city | North Eastern Province | Sri Lanka | 9.15 | 80.65 | 114 | 5676 |
| Idaikkurichchi | city | North Eastern Province | Sri Lanka | 9.7333333 | 80.2166667 | 3 | 69243 |
| Iddapola | city | North Eastern Province | Sri Lanka | 7.5 | 81.3 | 459 | 16632 |
| Ighilampattai | city | North Eastern Province | Sri Lanka | 8.3 | 81.3666667 | 19 | 15484 |
| Ilakanta | city | North Eastern Province | Sri Lanka | 8.4833333 | 81.35 | 9 | 7422 |
| Ilakanthai | city | North Eastern Province | Sri Lanka | 8.4833333 | 81.35 | 9 | 7422 |
| Ilakkantai | city | North Eastern Province | Sri Lanka | 8.4833333 | 81.35 | 9 | 7422 |
| Ilakkarikkulam | city | North Eastern Province | Sri Lanka | 8.7333333 | 79.9666667 | 19 | 8267 |
| Ilamarudankulam | city | North Eastern Province | Sri Lanka | 8.6666667 | 80.4833333 | 298 | 11199 |
| Ilamarudankulama | city | North Eastern Province | Sri Lanka | 8.6666667 | 80.4833333 | 298 | 11199 |
| Ilamarutankulam | city | North Eastern Province | Sri Lanka | 8.8666667 | 80.5666667 | 314 | 9125 |
| Ilamaruthankulam | city | North Eastern Province | Sri Lanka | 8.8666667 | 80.5666667 | 314 | 9125 |
| Ilandamodu | city | North Eastern Province | Sri Lanka | 8.2333333 | 81.2833333 | 39 | 17426 |
| Ilankaitturai | city | North Eastern Province | Sri Lanka | 8.3666667 | 81.3666667 | 3 | 14222 |
| Ilankaiturai | city | North Eastern Province | Sri Lanka | 8.3666667 | 81.3666667 | 3 | 14222 |
| Ilantaikkulam | city | North Eastern Province | Sri Lanka | 8.7833333 | 79.95 | 22 | 5251 |
| Ilantaikkulam | city | North Eastern Province | Sri Lanka | 8.8333333 | 79.9666667 | 6 | 9519 |
| Ilantaikkulam | city | North Eastern Province | Sri Lanka | 8.8166667 | 80.05 | 45 | 10379 |
| Ilantaimoddaikkulam | city | North Eastern Province | Sri Lanka | 8.7833333 | 79.9833333 | 26 | 8987 |
| Ilantaivan | city | North Eastern Province | Sri Lanka | 8.9166667 | 80 | 6 | 9846 |
| Illavalai | city | North Eastern Province | Sri Lanka | 9.7833333 | 79.9833333 | 36 | 51261 |
| Illehpekadewe | city | North Eastern Province | Sri Lanka | 9.1 | 80.0833333 | 3 | 3580 |
| Illukuveddi | city | North Eastern Province | Sri Lanka | 7.7833333 | 81.5166667 | 144 | 24837 |
| Illupaikedavai | city | North Eastern Province | Sri Lanka | 9.1 | 80.0833333 | 3 | 3580 |
| Illupaikulam | city | North Eastern Province | Sri Lanka | 8.8833333 | 80 | 45 | 10379 |
| Illupaikulam | city | North Eastern Province | Sri Lanka | 8.7 | 80.5333333 | 334 | 11597 |
| Illupaikulam | city | North Eastern Province | Sri Lanka | 8.6333333 | 81.2 | 9 | 13351 |
| Illupaiyadichenai | city | North Eastern Province | Sri Lanka | 7.6333333 | 81.6833333 | 45 | 24653 |
| Illupayadichenai | city | North Eastern Province | Sri Lanka | 7.7333333 | 81.55 | 131 | 24840 |
| Illuppadichenai | city | North Eastern Province | Sri Lanka | 7.7333333 | 81.55 | 131 | 24840 |
| Illuppaikadavai | city | North Eastern Province | Sri Lanka | 9.1 | 80.0833333 | 3 | 3580 |
| Illuppaikkadavai | city | North Eastern Province | Sri Lanka | 9.1 | 80.0833333 | 3 | 3580 |
| Illuppaikulam | city | North Eastern Province | Sri Lanka | 8.7 | 80.5333333 | 334 | 11597 |
| Illuppaiyadichchenai | city | North Eastern Province | Sri Lanka | 7.6333333 | 81.6833333 | 45 | 24653 |
| Illuppaiyadichenai | city | North Eastern Province | Sri Lanka | 7.6333333 | 81.6833333 | 45 | 24653 |
| Ilukpitiya | city | North Eastern Province | Sri Lanka | 7.2166667 | 81.6666667 | 485 | 16637 |
| Iluppadichchenai | city | North Eastern Province | Sri Lanka | 7.7333333 | 81.55 | 131 | 24840 |
| Iluppaikkadavai | city | North Eastern Province | Sri Lanka | 9.1 | 80.0833333 | 3 | 3580 |
| Iluppaikkulam | city | North Eastern Province | Sri Lanka | 8.8833333 | 80 | 45 | 10379 |
| Ilvalai | city | North Eastern Province | Sri Lanka | 9.7833333 | 79.9833333 | 36 | 51261 |
| Imaiyanan | city | North Eastern Province | Sri Lanka | 9.8 | 80.15 | 3 | 38845 |
| Imayanan | city | North Eastern Province | Sri Lanka | 9.8 | 80.15 | 3 | 38845 |
| Innampalaipuval | city | North Eastern Province | Sri Lanka | 7.65 | 81.6166667 | 177 | 24844 |
| Inoorvillu | city | North Eastern Province | Sri Lanka | 7.6333333 | 81.5666667 | 167 | 24844 |
| Inuvil | city | North Eastern Province | Sri Lanka | 9.7166667 | 80.0166667 | 9 | 67869 |
| Irakkamam | city | North Eastern Province | Sri Lanka | 7.25 | 81.7166667 | 275 | 16637 |
| Irakkattuveli | city | North Eastern Province | Sri Lanka | 7.6833333 | 81.6666667 | 32 | 23128 |
| Iralakkulam | city | North Eastern Province | Sri Lanka | 7.7666667 | 81.4666667 | 236 | 24837 |
| Iramiankatkulam | city | North Eastern Province | Sri Lanka | 8.75 | 80.35 | 209 | 8769 |
| Iramiyankatkulam | city | North Eastern Province | Sri Lanka | 8.75 | 80.35 | 209 | 8769 |
| Iramiyankulam | city | North Eastern Province | Sri Lanka | 9.0666667 | 80.2666667 | 88 | 5572 |
| Irampaikkulam | city | North Eastern Province | Sri Lanka | 8.75 | 80.5 | 291 | 9306 |
| Irampaikkulam | city | North Eastern Province | Sri Lanka | 8.8833333 | 80.5 | 269 | 8769 |
| Iranai Illuppaikulam | city | North Eastern Province | Sri Lanka | 8.85 | 80.35 | 252 | 9830 |
| Iranai Iluppaikkulam | city | North Eastern Province | Sri Lanka | 8.85 | 80.35 | 252 | 9830 |
| Iranamadu | city | North Eastern Province | Sri Lanka | 9.3333333 | 80.4 | 78 | 33070 |
| Irani Illuppaikkulam | city | North Eastern Province | Sri Lanka | 8.85 | 80.35 | 252 | 9830 |
| Iratperiyakulam | city | North Eastern Province | Sri Lanka | 8.7 | 80.4666667 | 262 | 11199 |
| Iratperiyakulama | city | North Eastern Province | Sri Lanka | 8.7 | 80.4666667 | 262 | 11199 |
| Irattai | city | North Eastern Province | Sri Lanka | 6.8 | 81.7833333 | 91 | 15889 |
| Irattaikulam | city | North Eastern Province | Sri Lanka | 8.8166667 | 80.05 | 45 | 10379 |
| Irupalai | city | North Eastern Province | Sri Lanka | 9.6833333 | 80.05 | 3 | 62465 |
| Isamalaittalvu | city | North Eastern Province | Sri Lanka | 8.8 | 80.0666667 | 55 | 10379 |
| Ithavil | city | North Eastern Province | Sri Lanka | 9.6333333 | 80.3166667 | 3 | 62901 |
| Iththiyadimadu | city | North Eastern Province | Sri Lanka | 7.7 | 81.6 | 108 | 24841 |
| Ittavil | city | North Eastern Province | Sri Lanka | 9.6333333 | 80.3166667 | 3 | 62901 |
| Ittikkandal | city | North Eastern Province | Sri Lanka | 8.9166667 | 80.0166667 | 13 | 9846 |
| Ittikkulam | city | North Eastern Province | Sri Lanka | 8.7833333 | 80 | 39 | 10379 |
| Ittikulam | city | North Eastern Province | Sri Lanka | 8.7166667 | 80.4333333 | 249 | 9176 |
| Ivinai | city | North Eastern Province | Sri Lanka | 9.7666667 | 80.0666667 | 3 | 59058 |
| Iyakachchi | city | North Eastern Province | Sri Lanka | 9.5666667 | 80.4 | 3 | 53073 |
| Iyakkachchi | city | North Eastern Province | Sri Lanka | 9.5666667 | 80.4 | 3 | 53073 |
| Iyankaravur | city | North Eastern Province | Sri Lanka | 8.7333333 | 80.3833333 | 219 | 8911 |
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