| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Ibbawala | city | Southern Province | Sri Lanka | 6 | 80.4 | 36 | 58126 |
| Idandukita | city | Southern Province | Sri Lanka | 6.3 | 80.4333333 | 682 | 91128 |
| Idantota | city | Southern Province | Sri Lanka | 6.2166667 | 80.0666667 | 19 | 54674 |
| Igala | city | Southern Province | Sri Lanka | 6.2833333 | 80.15 | 305 | 92244 |
| Ihala Aturaliya | city | Southern Province | Sri Lanka | 6.0833333 | 80.5 | 167 | 89747 |
| Ihala Beligalla | city | Southern Province | Sri Lanka | 6.0947222 | 80.7411111 | 337 | 39395 |
| Ihala Ganegama | city | Southern Province | Sri Lanka | 6.0333333 | 80.4833333 | 242 | 88835 |
| Ihala Keembiya | city | Southern Province | Sri Lanka | 6.1 | 80.25 | 295 | 92272 |
| Ihala Kumbukwewa | city | Southern Province | Sri Lanka | 6.3666667 | 81.0166667 | 255 | 22522 |
| Ihala Omatta | city | Southern Province | Sri Lanka | 6.3333333 | 80.1666667 | 364 | 91870 |
| Ihala Vitiyala | city | Southern Province | Sri Lanka | 6.05 | 80.5333333 | 95 | 89747 |
| Ihala Witiyala | city | Southern Province | Sri Lanka | 6.05 | 80.5333333 | 95 | 89747 |
| Ihalabukendayaya | city | Southern Province | Sri Lanka | 6.25 | 80.7166667 | 456 | 31470 |
| Ihalagama | city | Southern Province | Sri Lanka | 6.35 | 80.5666667 | 1601 | 77846 |
| Ihalagama | city | Southern Province | Sri Lanka | 6.1333333 | 80.9333333 | 3 | 30680 |
| Ihalagoda | city | Southern Province | Sri Lanka | 6.0666667 | 80.2666667 | 252 | 87413 |
| Ihalagoda | city | Southern Province | Sri Lanka | 6.0166667 | 80.3833333 | 124 | 87108 |
| Ihalagoda | city | Southern Province | Sri Lanka | 6.0166667 | 80.65 | 298 | 82573 |
| Ihalagoda | city | Southern Province | Sri Lanka | 6.1333333 | 80.65 | 501 | 67935 |
| Ihalagoda | city | Southern Province | Sri Lanka | 5.9833333 | 80.7166667 | 29 | 26725 |
| Ihalaguruwela | city | Southern Province | Sri Lanka | 6.2 | 80.85 | 275 | 31160 |
| Ihalamedagama | city | Southern Province | Sri Lanka | 6.35 | 80.3666667 | 465 | 91167 |
| Ihalamillawa | city | Southern Province | Sri Lanka | 6.3 | 80.4666667 | 833 | 90084 |
| Ihalamulla | city | Southern Province | Sri Lanka | 6.0166667 | 80.6666667 | 288 | 63456 |
| Ihalaobada | city | Southern Province | Sri Lanka | 6.2166667 | 80.7166667 | 488 | 31470 |
| Ihalawela | city | Southern Province | Sri Lanka | 7.5333333 | 80.5833333 | 1820 | 37746 |
| Ihalawewa | city | Southern Province | Sri Lanka | 7.5333333 | 80.5833333 | 1820 | 37746 |
| Ikkapallama | city | Southern Province | Sri Lanka | 6.2333333 | 81.2833333 | 9 | 27768 |
| Illukkumbura | city | Southern Province | Sri Lanka | 7.55 | 80.7666667 | 1994 | 30318 |
| Illukmulla | city | Southern Province | Sri Lanka | 6.0333333 | 80.75 | 124 | 20589 |
| Illukpitiya | city | Southern Province | Sri Lanka | 6.2166667 | 80.1 | 134 | 84287 |
| Illukpitiya | city | Southern Province | Sri Lanka | 6.0166667 | 80.25 | 6 | 59158 |
| Ilukkumbura | city | Southern Province | Sri Lanka | 7.55 | 80.7666667 | 1994 | 30318 |
| Ilukmulla | city | Southern Province | Sri Lanka | 6.0333333 | 80.75 | 124 | 20589 |
| Ilukpitiya | city | Southern Province | Sri Lanka | 6.2166667 | 80.1 | 134 | 84287 |
| Ilukpitiya | city | Southern Province | Sri Lanka | 6.0166667 | 80.25 | 6 | 59158 |
| Iluppella | city | Southern Province | Sri Lanka | 6.1 | 80.45 | 479 | 90325 |
| Imaduwa | city | Southern Province | Sri Lanka | 6.0333333 | 80.3833333 | 255 | 87108 |
| Imbula | city | Southern Province | Sri Lanka | 6.1166667 | 80.15 | 52 | 57008 |
| Imbulgoda | city | Southern Province | Sri Lanka | 6.1 | 80.4666667 | 351 | 89797 |
| Inamalawa | city | Southern Province | Sri Lanka | 7.9325 | 80.685 | 1138 | 24953 |
| Inamaluwa | city | Southern Province | Sri Lanka | 7.9325 | 80.685 | 1138 | 24953 |
| Indigahatota | city | Southern Province | Sri Lanka | 6.0666667 | 80.25 | 177 | 87413 |
| Indigaswewa | city | Southern Province | Sri Lanka | 8 | 80.75 | 662 | 21891 |
| Indigawewa | city | Southern Province | Sri Lanka | 8 | 80.75 | 662 | 21891 |
| Indigetawela | city | Southern Province | Sri Lanka | 6.1333333 | 80.8333333 | 187 | 30867 |
| Indiketiya | city | Southern Province | Sri Lanka | 6.2333333 | 80.0833333 | 104 | 54674 |
| Indipalegoda | city | Southern Province | Sri Lanka | 6.3333333 | 80.2333333 | 462 | 91826 |
| Indipokunegoda | city | Southern Province | Sri Lanka | 6.0333333 | 80.7833333 | 19 | 20589 |
| Indiwewa | city | Southern Province | Sri Lanka | 6.3333333 | 81.0333333 | 252 | 27804 |
| Indurannewila | city | Southern Province | Sri Lanka | 6 | 80.3833333 | 26 | 58126 |
| Induruwa | city | Southern Province | Sri Lanka | 6.3891667 | 80.0108333 | 3 | 59355 |
| Ipitagoda | city | Southern Province | Sri Lanka | 5.95 | 80.5666667 | 32 | 47780 |
| Iridugoda | city | Southern Province | Sri Lanka | 6.0166667 | 80.4 | 147 | 87108 |
| Iriyatota | city | Southern Province | Sri Lanka | 6.1 | 80.5833333 | 410 | 89738 |
| Irosigoda | city | Southern Province | Sri Lanka | 6.3666667 | 80.0166667 | 6 | 48682 |
| Ithademaliya | city | Southern Province | Sri Lanka | 6.1666667 | 80.7333333 | 351 | 31040 |
| Ittademaliya | city | Southern Province | Sri Lanka | 6.1666667 | 80.7333333 | 351 | 31040 |
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