| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Thabboagara | city | North Western | Sri Lanka | 7.49 | 79.96 | 98 | 51737 |
| Thabbomulla | city | North Western | Sri Lanka | 7.45 | 80.01 | 147 | 54288 |
| Thachchankulam | city | Northern | Sri Lanka | 8.74 | 80.51 | 321 | 24047 |
| Thaddankulam | city | Northern | Sri Lanka | 8.70 | 80.33 | 154 | 8046 |
| Thaddankulam | city | Northern | Sri Lanka | 9.08 | 80.37 | 114 | 6219 |
| Thaddumunai | city | Eastern | Sri Lanka | 8.12 | 81.42 | 3 | 14018 |
| Thadduvamkoddy | city | Northern | Sri Lanka | 9.50 | 80.43 | 13 | 8660 |
| Thadduvankoddy | city | Northern | Sri Lanka | 9.50 | 80.43 | 13 | 8660 |
| Thahandikele | city | Sabaragamuwa | Sri Lanka | 6.77 | 80.21 | 830 | 67758 |
| Thailagama | city | North Western | Sri Lanka | 7.85 | 80.07 | 229 | 15518 |
| Thaiyiddi | city | Northern | Sri Lanka | 9.80 | 80.05 | 3 | 39118 |
| Thala Mawathagama | city | North Western | Sri Lanka | 7.75 | 80.05 | 157 | 25154 |
| Thalagahagedara | city | Uva | Sri Lanka | 7.02 | 81.13 | 2037 | 62874 |
| Thalagahawatta | city | Sabaragamuwa | Sri Lanka | 6.64 | 80.60 | 1056 | 51259 |
| Thalagahawela | city | North Western | Sri Lanka | 7.51 | 79.91 | 49 | 54886 |
| Thalagalla | city | North Western | Sri Lanka | 7.77 | 80.32 | 337 | 25288 |
| Thalagaspitiya | city | North Western | Sri Lanka | 7.40 | 80.29 | 830 | 67591 |
| Thalagaspitya | city | North Western | Sri Lanka | 7.40 | 80.29 | 830 | 67591 |
| Thalagedaragama | city | Uva | Sri Lanka | 6.95 | 81.36 | 830 | 6905 |
| Thalagoda | city | Uva | Sri Lanka | 7.13 | 81.01 | 882 | 20616 |
| Thalahagama West | city | Southern | Sri Lanka | 6.12 | 80.50 | 259 | 52235 |
| Thalahena | city | Sabaragamuwa | Sri Lanka | 6.59 | 80.66 | 1184 | 33931 |
| Thalakolawewa | city | North Central | Sri Lanka | 7.93 | 80.48 | 830 | 19959 |
| Thalakolawewa | city | North Western | Sri Lanka | 7.80 | 80.43 | 830 | 21422 |
| Thalakotuwa | city | Uva | Sri Lanka | 6.91 | 81.33 | 830 | 15265 |
| Thalakumburagama | city | Uva | Sri Lanka | 7.04 | 80.98 | 2509 | 44130 |
| Thalaluwapelessa | city | North Western | Sri Lanka | 7.61 | 80.34 | 830 | 27458 |
| Thalammehera | city | North Western | Sri Lanka | 7.32 | 80.05 | 134 | 58139 |
| Thalangama | city | Sabaragamuwa | Sri Lanka | 6.65 | 80.43 | 830 | 68467 |
| Thalangedara | city | North Western | Sri Lanka | 7.73 | 80.05 | 144 | 27357 |
| Thalangpola Ihala | city | North Western | Sri Lanka | 7.68 | 80.00 | 98 | 32389 |
| Thalangpola Pahala | city | North Western | Sri Lanka | 7.68 | 79.99 | 82 | 32268 |
| Thalankudah | city | Eastern | Sri Lanka | 7.65 | 81.75 | 3 | 8583 |
| Thalapathpitiya | city | Western | Sri Lanka | 6.96 | 80.12 | 298 | 446411 |
| Thalapathwewa | city | North Western | Sri Lanka | 7.78 | 80.38 | 830 | 22422 |
| Thalapellegoda | city | Central | Sri Lanka | 7.36 | 80.52 | 980 | 81520 |
| Thalapitiya | city | Sabaragamuwa | Sri Lanka | 6.87 | 80.29 | 1026 | 52082 |
| Thalavai | city | Eastern | Sri Lanka | 7.80 | 81.61 | 22 | 27887 |
| Thalawa | city | North Western | Sri Lanka | 7.94 | 80.43 | 830 | 21721 |
| Thalawa | city | Uva | Sri Lanka | 7.02 | 80.98 | 2509 | 51057 |
| Thalawagama | city | Uva | Sri Lanka | 6.90 | 81.29 | 830 | 18489 |
| Thalawai | city | Eastern | Sri Lanka | 7.80 | 81.61 | 22 | 27887 |
| Thalawathenna | city | Uva | Sri Lanka | 7.16 | 81.05 | 830 | 18692 |
| Thalawatta | city | Sabaragamuwa | Sri Lanka | 7.27 | 80.24 | 830 | 66836 |
| Thalawattagama | city | Uva | Sri Lanka | 6.91 | 81.23 | 1174 | 19636 |
| Thalawattegedera | city | North Western | Sri Lanka | 7.72 | 80.33 | 337 | 26511 |
| Thalawegangoda | city | Uva | Sri Lanka | 6.82 | 81.39 | 830 | 17000 |
| Thalawekanda | city | Uva | Sri Lanka | 7.01 | 80.98 | 2608 | 54426 |
| Thalawitiya Pahala | city | Sabaragamuwa | Sri Lanka | 6.84 | 80.29 | 830 | 55594 |
| Thalawitiya Udaha | city | Sabaragamuwa | Sri Lanka | 6.85 | 80.30 | 830 | 54625 |
| Thalayadimadu | city | Eastern | Sri Lanka | 7.53 | 81.60 | 830 | 20569 |
| Thaldeka | city | North Western | Sri Lanka | 7.33 | 79.83 | 0 | 91108 |
| Thaldenagama | city | Uva | Sri Lanka | 7.10 | 81.05 | 1722 | 23924 |
| Thaldewa | city | Sabaragamuwa | Sri Lanka | 7.34 | 80.38 | 387 | 73595 |
| Thalgahakumbura | city | Uva | Sri Lanka | 7.10 | 81.01 | 1669 | 22545 |
| Thalgahapitiya | city | North Western | Sri Lanka | 7.60 | 79.92 | 59 | 49373 |
| Thalgahayaya | city | Sabaragamuwa | Sri Lanka | 7.28 | 80.35 | 889 | 84541 |
| Thalgama | city | Sabaragamuwa | Sri Lanka | 7.27 | 80.27 | 830 | 66628 |
| Thalgasduwa | city | North Western | Sri Lanka | 7.85 | 80.05 | 223 | 15849 |
| Thalgasmota | city | Western | Sri Lanka | 7.15 | 80.07 | 249 | 126025 |
| Thalgaswewa | city | North Western | Sri Lanka | 7.83 | 80.15 | 265 | 18381 |
| Thaligama | city | Sabaragamuwa | Sri Lanka | 7.01 | 80.38 | 892 | 40049 |
| Thalkolawewa | city | North Western | Sri Lanka | 7.70 | 80.22 | 278 | 28387 |
| Thallanda | city | Uva | Sri Lanka | 6.94 | 81.22 | 1669 | 20109 |
| Thallangomuwa | city | North Western | Sri Lanka | 7.68 | 80.48 | 830 | 38424 |
| Thalumpitiya | city | Sabaragamuwa | Sri Lanka | 6.91 | 80.25 | 830 | 84110 |
| Thalwattegedera | city | North Western | Sri Lanka | 7.38 | 80.30 | 830 | 72605 |
| Thamaraikerni | city | Eastern | Sri Lanka | 7.48 | 81.72 | 42 | 19989 |
| Thamarakerni | city | Eastern | Sri Lanka | 7.48 | 81.72 | 42 | 19989 |
| Thamarakkulama | city | North Western | Sri Lanka | 7.74 | 79.91 | 72 | 23590 |
| Thamarakulama | city | North Central | Sri Lanka | 8.25 | 80.65 | 830 | 16513 |
| Thamaravillu | city | Eastern | Sri Lanka | 8.46 | 81.18 | 16 | 12842 |
| Thamba Rombuwa | city | North Western | Sri Lanka | 7.85 | 80.10 | 246 | 14858 |
| Thambagoda | city | Uva | Sri Lanka | 7.21 | 81.06 | 830 | 16322 |
| Thambala | city | North Central | Sri Lanka | 8.02 | 81.08 | 95 | 24421 |
| Thambalaketiya | city | Uva | Sri Lanka | 6.79 | 81.14 | 1020 | 15180 |
| Thambana | city | North Western | Sri Lanka | 7.39 | 79.98 | 88 | 52695 |
| Thambarawa | city | North Western | Sri Lanka | 7.68 | 80.07 | 167 | 34628 |
| Thambarawa | city | North Western | Sri Lanka | 7.67 | 80.27 | 341 | 28268 |
| Thambarayagama | city | North Western | Sri Lanka | 7.87 | 80.30 | 830 | 22202 |
| Thambare | city | North Western | Sri Lanka | 8.01 | 80.22 | 278 | 20688 |
| Thambawita | city | Sabaragamuwa | Sri Lanka | 7.19 | 80.51 | 1889 | 139194 |
| Thambera | city | North Western | Sri Lanka | 7.85 | 80.27 | 390 | 22479 |
| Thambewila | city | Sabaragamuwa | Sri Lanka | 7.31 | 80.27 | 374 | 66285 |
| Thambiluvil | city | Eastern | Sri Lanka | 7.13 | 81.85 | 16 | 5688 |
| Thambugala | city | Sabaragamuwa | Sri Lanka | 7.18 | 80.16 | 830 | 90317 |
| Thambuwa | city | North Western | Sri Lanka | 7.72 | 80.43 | 830 | 25987 |
| Thammale | city | Central | Sri Lanka | 7.07 | 80.92 | 2831 | 44300 |
| Thammannawa | city | North Western | Sri Lanka | 7.88 | 80.30 | 393 | 21506 |
| Thammennagama | city | North Western | Sri Lanka | 7.77 | 80.37 | 370 | 22840 |
| Thammennawa | city | North Western | Sri Lanka | 7.87 | 80.20 | 314 | 17275 |
| Thammita | city | North Western | Sri Lanka | 7.44 | 80.29 | 830 | 67779 |
| Thammita | city | Sabaragamuwa | Sri Lanka | 7.21 | 80.43 | 1013 | 87388 |
| Thammitagama | city | North Western | Sri Lanka | 8.14 | 80.17 | 206 | 23193 |
| Thammitagama | city | North Western | Sri Lanka | 7.83 | 80.22 | 328 | 21571 |
| Thampaddai | city | Eastern | Sri Lanka | 7.16 | 81.86 | 3 | 11005 |
| Thampalai | city | Northern | Sri Lanka | 9.78 | 80.12 | 3 | 56574 |
| Thampalawattai | city | Eastern | Sri Lanka | 7.47 | 81.75 | 3 | 20279 |
| Thampalawela | city | Uva | Sri Lanka | 7.01 | 81.36 | 830 | 7741 |
| Thanabima | city | Western | Sri Lanka | 6.64 | 80.22 | 830 | 31298 |
| Thanakkarukurachchi | city | Northern | Sri Lanka | 9.80 | 80.15 | 3 | 50691 |
| Thanakolawatta | city | Sabaragamuwa | Sri Lanka | 7.00 | 80.34 | 830 | 41585 |
| Thanankilappu | city | Northern | Sri Lanka | 9.63 | 80.15 | 3 | 41889 |
| Thanayamgoda | city | Sabaragamuwa | Sri Lanka | 6.70 | 80.75 | 1873 | 27914 |
| Thanayamgodella | city | Western | Sri Lanka | 6.74 | 80.17 | 387 | 51956 |
| Thanayampanguwaweleela | city | Sabaragamuwa | Sri Lanka | 6.63 | 80.68 | 2066 | 33512 |
| Thanayamwathugoda | city | Sabaragamuwa | Sri Lanka | 6.61 | 80.62 | 830 | 46421 |
| Thangavelayuthapuram | city | Eastern | Sri Lanka | 7.00 | 81.81 | 137 | 13365 |
| Thankodai | city | Northern | Sri Lanka | 9.75 | 79.86 | 39 | 16653 |
| Thanmettankarakanda | city | Sabaragamuwa | Sri Lanka | 6.61 | 80.69 | 2509 | 31598 |
| Thannamunai | city | Eastern | Sri Lanka | 7.75 | 81.64 | 22 | 31397 |
| Thannapita | city | Sabaragamuwa | Sri Lanka | 6.88 | 80.39 | 1669 | 33756 |
| Thannipavilan Kudiyiruppu | city | Northern | Sri Lanka | 9.05 | 79.85 | 22 | 4715 |
| Thanthirimulla | city | Western | Sri Lanka | 6.72 | 79.93 | 13 | 226323 |
| Thantirigama | city | North Western | Sri Lanka | 7.87 | 80.20 | 314 | 17275 |
| Thantrimulla | city | Western | Sri Lanka | 6.73 | 79.92 | 6 | 204977 |
| Thapassaragewatta | city | Sabaragamuwa | Sri Lanka | 6.60 | 80.47 | 374 | 53658 |
| Tharakundu | city | Northern | Sri Lanka | 9.00 | 79.87 | 13 | 6817 |
| Tharala | city | Western | Sri Lanka | 6.98 | 80.15 | 285 | 359411 |
| Tharana Ihalagama | city | North Western | Sri Lanka | 7.57 | 80.00 | 141 | 41014 |
| Tharana Pahalagama | city | North Western | Sri Lanka | 7.56 | 80.01 | 173 | 42037 |
| Tharanagolla | city | North Western | Sri Lanka | 7.73 | 80.07 | 154 | 28482 |
| Tharanagolla | city | North Western | Sri Lanka | 7.72 | 80.37 | 830 | 24659 |
| Tharanakale | city | North Western | Sri Lanka | 7.80 | 79.86 | 59 | 19428 |
| Tharaperiya | city | Southern | Sri Lanka | 6.08 | 80.70 | 830 | 65818 |
| Tharavillu | city | North Western | Sri Lanka | 7.75 | 79.83 | 26 | 17241 |
| Tharmakkerny | city | Northern | Sri Lanka | 9.59 | 80.34 | 3 | 8440 |
| Tharmakundu | city | Northern | Sri Lanka | 9.59 | 79.83 | 29 | 15025 |
| Thatchchanthoppu | city | Northern | Sri Lanka | 9.66 | 80.10 | 3 | 46989 |
| Thatchinathankulam | city | Northern | Sri Lanka | 8.76 | 80.48 | 328 | 23274 |
| Thattantotam | city | Northern | Sri Lanka | 9.56 | 80.44 | 3 | 20718 |
| Thattewa | city | North Western | Sri Lanka | 7.88 | 79.99 | 190 | 16490 |
| Thawalanmandiya | city | Uva | Sri Lanka | 6.94 | 81.16 | 3349 | 39456 |
| Thawalanthenna | city | Central | Sri Lanka | 7.07 | 80.69 | 4189 | 55587 |
| Thawalla | city | North Western | Sri Lanka | 7.51 | 79.99 | 101 | 51117 |
| Thawalla | city | North Western | Sri Lanka | 7.51 | 79.95 | 65 | 49985 |
| Thayilan Kudiyiruppu | city | Northern | Sri Lanka | 9.07 | 79.85 | 16 | 4175 |