UpAlphabetical listing of Places in Sri Lanka
| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
| Obadagahadeniya | city | Southern Province | Sri Lanka | 6.26 | 80.67 | 469 | 48363 |
| Obadakotuwa | city | North Western Province | Sri Lanka | 7.63 | 80.33 | 351 | 28548 |
| Obadawatta | city | Southern Province | Sri Lanka | 6.42 | 80.00 | 3 | 62020 |
| Obadayagama | city | North Central Province | Sri Lanka | 8.18 | 80.57 | 403 | 11773 |
| Obbekota | city | Province of Uva | Sri Lanka | 6.93 | 81.35 | 587 | 10240 |
| Obberiya | city | Western Province | Sri Lanka | 7.27 | 79.87 | 19 | 201208 |
| Obedagedere | city | North Western Province | Sri Lanka | 7.30 | 80.15 | 242 | 72716 |
| Obodagedara | city | North Western Province | Sri Lanka | 7.30 | 80.15 | 242 | 72716 |
| Obodakotuwa | city | North Western Province | Sri Lanka | 7.63 | 80.33 | 351 | 28548 |
| Obodayagama | city | North Central Province | Sri Lanka | 7.95 | 80.42 | 475 | 21950 |
| Obokka | city | Province of Sabaragamuwa | Sri Lanka | 6.52 | 80.40 | 994 | 22885 |
| Odakkarai | city | North Western Province | Sri Lanka | 8.13 | 79.70 | 3 | 19527 |
| Oddaimavadi | city | North Eastern Province | Sri Lanka | 7.92 | 81.52 | 3 | 20095 |
| Oddamavadi | city | North Eastern Province | Sri Lanka | 7.92 | 81.52 | 3 | 20095 |
| Oddankulam | city | North Eastern Province | Sri Lanka | 9.12 | 80.27 | 75 | 6165 |
| Oddape | city | Province of Sabaragamuwa | Sri Lanka | 7.33 | 80.37 | 456 | 74258 |
| Oddare | city | Province of Sabaragamuwa | Sri Lanka | 7.33 | 80.37 | 456 | 74258 |
| Oddaruthakulam | city | North Eastern Province | Sri Lanka | 9.13 | 80.33 | 104 | 6109 |
| Oddaruttakulam | city | North Eastern Province | Sri Lanka | 9.13 | 80.33 | 104 | 6109 |
| Oddichuddan | city | North Eastern Province | Sri Lanka | 9.15 | 80.65 | 114 | 6220 |
| Oddiyadimady | city | North Eastern Province | Sri Lanka | 8.78 | 81.08 | 16 | 11639 |
| Odduchuddan | city | North Eastern Province | Sri Lanka | 9.15 | 80.65 | 114 | 6220 |
| Oddumadu | city | North Eastern Province | Sri Lanka | 8.13 | 81.43 | 9 | 11528 |
| Oddupeli | city | North Eastern Province | Sri Lanka | 9.65 | 80.25 | 3 | 38481 |
| Oddusudan | city | North Eastern Province | Sri Lanka | 9.15 | 80.65 | 114 | 6220 |
| Oddusuddan | city | North Eastern Province | Sri Lanka | 9.15 | 80.65 | 114 | 6220 |
| Oggamuwa | city | North Western Province | Sri Lanka | 7.27 | 80.18 | 282 | 75344 |
| Oggomuwa | city | North Western Province | Sri Lanka | 7.55 | 80.32 | 433 | 38646 |
| Oggomuwa | city | Central Province | Sri Lanka | 7.53 | 80.93 | 393 | 12829 |
| Oggomuwa | city | North Western Province | Sri Lanka | 7.27 | 80.18 | 282 | 75344 |
| Ogodapola | city | North Western Province | Sri Lanka | 7.63 | 80.00 | 98 | 38267 |
| Ogodapola | city | North Western Province | Sri Lanka | 7.43 | 80.33 | 482 | 99254 |
| Ogodapola | city | Central Province | Sri Lanka | 7.37 | 80.52 | 951 | 78322 |
| Ogodapola | city | Western Province | Sri Lanka | 7.10 | 80.10 | 291 | 139783 |
| Ohiya | city | Province of Uva | Sri Lanka | 6.82 | 80.83 | 6889 | 50904 |
| Ohomigama | city | North Central Province | Sri Lanka | 7.92 | 80.48 | 652 | 19437 |
| Okanda | city | North Eastern Province | Sri Lanka | 6.65 | 81.77 | 29 | 7231 |
| Okandapola | city | North Western Province | Sri Lanka | 7.37 | 80.32 | 505 | 83893 |
| Okandeyaya | city | Southern Province | Sri Lanka | 6.22 | 80.78 | 426 | 42829 |
| Okanduwa | city | Western Province | Sri Lanka | 6.70 | 80.02 | 180 | 117522 |
| Okanmulla | city | Province of Sabaragamuwa | Sri Lanka | 6.68 | 80.70 | 1981 | 30746 |
| Okanta | city | North Eastern Province | Sri Lanka | 6.65 | 81.77 | 29 | 7231 |
| Okawala | city | Southern Province | Sri Lanka | 6.10 | 80.72 | 439 | 58767 |
| Okewela | city | Southern Province | Sri Lanka | 6.10 | 80.72 | 439 | 58767 |
| Okewelagoda | city | Southern Province | Sri Lanka | 6.10 | 80.72 | 439 | 58767 |
| Okkampitiya | city | Province of Uva | Sri Lanka | 6.75 | 81.28 | 419 | 10837 |
| Okkampitiya Ihalagama | city | Province of Uva | Sri Lanka | 6.75 | 81.28 | 419 | 10837 |
| Okurawa | city | Province of Uva | Sri Lanka | 6.75 | 81.18 | 574 | 9614 |
| Okuruwawa | city | Province of Uva | Sri Lanka | 6.75 | 81.18 | 574 | 9614 |
| Olabaduwa | city | Western Province | Sri Lanka | 6.77 | 80.02 | 269 | 189064 |
| Olaboduwa | city | Western Province | Sri Lanka | 6.77 | 80.02 | 269 | 189064 |
| Olagama | city | North Western Province | Sri Lanka | 7.52 | 80.50 | 908 | 46547 |
| Olagama | city | Province of Sabaragamuwa | Sri Lanka | 7.25 | 80.35 | 987 | 88711 |
| Olagama | city | Southern Province | Sri Lanka | 6.25 | 80.05 | 22 | 61903 |
| Olagama | city | Southern Province | Sri Lanka | 6.15 | 80.10 | 13 | 99193 |
| Olaganduwa | city | Southern Province | Sri Lanka | 6.38 | 80.02 | 6 | 64636 |
| Olaganwatta | city | Central Province | Sri Lanka | 7.65 | 80.60 | 1351 | 40698 |
| Olaithoduvai | city | North Eastern Province | Sri Lanka | 9.03 | 79.83 | 19 | 4871 |
| Olaittoduvai | city | North Eastern Province | Sri Lanka | 9.03 | 79.83 | 19 | 4871 |
| Olaittoduvl | city | North Eastern Province | Sri Lanka | 9.03 | 79.83 | 19 | 4871 |
| Old Peradeniya | city | Central Province | Sri Lanka | 7.26 | 80.60 | 1630 | 188675 |
| Olidivullewa | city | North Western Province | Sri Lanka | 7.95 | 80.33 | 331 | 18516 |
| Oligama | city | Central Province | Sri Lanka | 7.72 | 80.58 | 1007 | 36897 |
| Oligama | city | North Western Province | Sri Lanka | 7.60 | 80.10 | 383 | 39940 |
| Oligoda | city | Southern Province | Sri Lanka | 6.37 | 80.02 | 6 | 65466 |
| Olimadu | city | North Eastern Province | Sri Lanka | 9.15 | 80.48 | 127 | 6283 |
| Olimadu | city | North Eastern Province | Sri Lanka | 7.67 | 81.57 | 154 | 22886 |
| Olindakadawela | city | North Western Province | Sri Lanka | 7.80 | 80.38 | 488 | 22579 |
| Olindankadawala | city | North Western Province | Sri Lanka | 7.80 | 80.38 | 488 | 22579 |
| Olitenna | city | Province of Sabaragamuwa | Sri Lanka | 6.70 | 80.78 | 1755 | 27384 |
| Oliyamulla | city | North Western Province | Sri Lanka | 7.43 | 80.43 | 646 | 68204 |
| Oliyanyaya | city | North Eastern Province | Sri Lanka | 7.22 | 81.65 | 429 | 15654 |
| Ollimadu | city | North Eastern Province | Sri Lanka | 8.85 | 79.97 | 13 | 8847 |
| Olobbawa | city | North Central Province | Sri Lanka | 8.02 | 80.58 | 429 | 19333 |
| Olombewa | city | North Central Province | Sri Lanka | 8.02 | 80.58 | 429 | 19333 |
| Oluara | city | Southern Province | Sri Lanka | 6.17 | 80.68 | 475 | 50021 |
| Olugala | city | Province of Sabaragamuwa | Sri Lanka | 6.72 | 80.43 | 610 | 53832 |
| Olugallewa | city | North Central Province | Sri Lanka | 8.35 | 80.75 | 351 | 13721 |
| Olugantota | city | Province of Sabaragamuwa | Sri Lanka | 6.65 | 80.72 | 1971 | 31581 |
| Olugaskada | city | North Central Province | Sri Lanka | 8.73 | 80.77 | 209 | 4467 |
| Olugaskada | city | North Central Province | Sri Lanka | 8.67 | 80.63 | 383 | 5140 |
| Olugaskada | city | North Central Province | Sri Lanka | 8.53 | 80.82 | 239 | 4694 |
| Olugaskadawala | city | North Central Province | Sri Lanka | 8.60 | 80.83 | 239 | 4618 |
| Olugaskadawela | city | North Central Province | Sri Lanka | 8.60 | 80.83 | 239 | 4618 |
| Olugollewa | city | North Central Province | Sri Lanka | 8.35 | 80.75 | 351 | 13721 |
| Olukaranda | city | North Central Province | Sri Lanka | 8.07 | 80.60 | 505 | 19008 |
| Olukkiliya | city | North Western Province | Sri Lanka | 8.05 | 79.95 | 121 | 7787 |
| Olukkulam | city | North Eastern Province | Sri Lanka | 8.67 | 80.40 | 239 | 8620 |
| Olukkulam | city | North Eastern Province | Sri Lanka | 9.10 | 80.10 | 3 | 7511 |
| Olumadu | city | North Eastern Province | Sri Lanka | 9.15 | 80.48 | 127 | 6283 |
| Olumadu | city | North Eastern Province | Sri Lanka | 9.02 | 80.67 | 180 | 7860 |
| Olumadu | city | North Eastern Province | Sri Lanka | 8.67 | 80.32 | 177 | 8046 |
| Olupanduruwewa | city | North Central Province | Sri Lanka | 8.42 | 80.23 | 223 | 4502 |
| Olupeliya | city | Southern Province | Sri Lanka | 6.08 | 80.68 | 492 | 69029 |
| Olupeliyawa | city | North Western Province | Sri Lanka | 7.80 | 80.10 | 219 | 21861 |
| Olupeliyawa | city | North Western Province | Sri Lanka | 7.62 | 79.98 | 72 | 37331 |
| Olupeliyawa | city | North Western Province | Sri Lanka | 7.45 | 80.35 | 498 | 107853 |
| Oluvil | city | North Eastern Province | Sri Lanka | 7.28 | 81.85 | 13 | 29867 |
| Oluwawatta | city | Central Province | Sri Lanka | 7.20 | 80.73 | 2627 | 80110 |
| Oluwewa | city | North Central Province | Sri Lanka | 8.25 | 80.22 | 262 | 6348 |
| Omalpe | city | Province of Sabaragamuwa | Sri Lanka | 6.33 | 80.68 | 2001 | 40171 |
| Omantai | city | North Eastern Province | Sri Lanka | 8.87 | 80.50 | 285 | 8240 |
| Omaragolla | city | North Western Province | Sri Lanka | 7.70 | 80.53 | 1023 | 37550 |
| Omatta | city | Southern Province | Sri Lanka | 6.35 | 80.17 | 337 | 46580 |
| Omatta | city | Western Province | Sri Lanka | 6.57 | 80.18 | 498 | 39222 |
| Omuna | city | North Eastern Province | Sri Lanka | 7.62 | 81.27 | 465 | 14304 |
| Onagama | city | North Central Province | Sri Lanka | 7.98 | 81.08 | 85 | 21665 |
| Ondachchimadam | city | North Eastern Province | Sri Lanka | 7.50 | 81.80 | 3 | 9776 |
| Onegama | city | North Central Province | Sri Lanka | 7.98 | 81.08 | 85 | 21665 |
| Opalagala | city | Central Province | Sri Lanka | 7.62 | 80.69 | 1925 | 31374 |
| Opalgala | city | Central Province | Sri Lanka | 7.62 | 80.69 | 1925 | 31374 |
| Opalgalawatta | city | Central Province | Sri Lanka | 7.55 | 80.67 | 1637 | 55990 |
| Opalla | city | Central Province | Sri Lanka | 7.38 | 80.50 | 971 | 60986 |
| Opalla | city | Western Province | Sri Lanka | 6.70 | 80.13 | 446 | 46694 |
| Opanake | city | Province of Sabaragamuwa | Sri Lanka | 6.61 | 80.62 | 787 | 46421 |
| Opata | city | Province of Sabaragamuwa | Sri Lanka | 7.28 | 80.23 | 341 | 64870 |
| Opata | city | Western Province | Sri Lanka | 7.13 | 79.92 | 19 | 229076 |
| Opata | city | Province of Sabaragamuwa | Sri Lanka | 6.57 | 80.60 | 967 | 52765 |
| Opata | city | Province of Sabaragamuwa | Sri Lanka | 6.53 | 80.67 | 1003 | 39003 |
| Opata | city | Southern Province | Sri Lanka | 6.37 | 80.15 | 236 | 46172 |
| Opata | city | Southern Province | Sri Lanka | 6.27 | 80.40 | 495 | 31400 |
| Opata | city | Southern Province | Sri Lanka | 6.10 | 80.20 | 164 | 179103 |
| Opatha | city | Province of Sabaragamuwa | Sri Lanka | 7.28 | 80.23 | 341 | 64870 |
| Opatha | city | Western Province | Sri Lanka | 7.13 | 79.92 | 19 | 229076 |
| Opathella | city | Western Province | Sri Lanka | 7.08 | 80.08 | 295 | 194091 |
| Orukmankulama | city | North Central Province | Sri Lanka | 8.25 | 80.53 | 351 | 14337 |
| Oruliyadda | city | North Western Province | Sri Lanka | 7.32 | 80.30 | 393 | 70647 |
| Orulotagama | city | North Central Province | Sri Lanka | 8.00 | 80.60 | 452 | 18240 |
| Orumulacholai | city | North Eastern Province | Sri Lanka | 7.80 | 81.58 | 52 | 31350 |
| Orutota | city | Western Province | Sri Lanka | 7.08 | 79.98 | 42 | 210013 |
| Orutotagama | city | North Central Province | Sri Lanka | 8.00 | 80.60 | 452 | 18240 |
| Oruwala | city | Western Province | Sri Lanka | 6.88 | 80.00 | 265 | 215656 |
| Oruwela | city | Western Province | Sri Lanka | 6.88 | 80.00 | 265 | 215656 |
| Otagama | city | Central Province | Sri Lanka | 7.28 | 80.88 | 2109 | 14679 |
| Otalawa | city | Central Province | Sri Lanka | 7.07 | 80.67 | 2696 | 63284 |
| Otara Bemmullegedara | city | North Western Province | Sri Lanka | 7.38 | 80.22 | 383 | 59261 |
| Otara Tambarawila | city | North Western Province | Sri Lanka | 7.28 | 79.88 | 16 | 193706 |
| Otarakiriwanapola | city | North Western Province | Sri Lanka | 7.30 | 80.18 | 406 | 67168 |
| Otaravadiya | city | North Western Province | Sri Lanka | 7.28 | 79.93 | 36 | 110096 |
| Otarawadiya | city | North Western Province | Sri Lanka | 7.28 | 79.93 | 36 | 110096 |
| Otegama | city | North Western Province | Sri Lanka | 7.62 | 80.10 | 200 | 38972 |
| Othegama | city | North Western Province | Sri Lanka | 7.50 | 79.93 | 59 | 53348 |
| Otherabemmullegedera | city | North Western Province | Sri Lanka | 7.38 | 80.22 | 383 | 59261 |
| Otherakiriwanapola | city | North Western Province | Sri Lanka | 7.30 | 80.18 | 406 | 67168 |
| Othiyamalai | city | North Eastern Province | Sri Lanka | 9.05 | 80.70 | 131 | 7024 |
| Othiyankuda-aru | city | North Eastern Province | Sri Lanka | 7.60 | 81.62 | 334 | 23095 |
| Otiyamalai | city | North Eastern Province | Sri Lanka | 9.05 | 80.70 | 131 | 7024 |
| Otnapitiya | city | Province of Sabaragamuwa | Sri Lanka | 7.22 | 80.25 | 498 | 68601 |
| Ottapanai | city | North Western Province | Sri Lanka | 7.82 | 79.79 | 6 | 19118 |
| Ottapanai Periya | city | North Western Province | Sri Lanka | 7.82 | 79.79 | 6 | 19118 |
| Ottapanai Sinna | city | North Western Province | Sri Lanka | 7.82 | 79.78 | 16 | 16000 |
| Ottappuwa | city | North Central Province | Sri Lanka | 8.18 | 80.25 | 229 | 26271 |
| Ottappuwe | city | North Central Province | Sri Lanka | 8.18 | 80.25 | 229 | 26271 |
| Ottapuwe Galatabendiwewa | city | North Central Province | Sri Lanka | 8.18 | 80.25 | 229 | 26271 |
| Ottukulama | city | North Western Province | Sri Lanka | 8.07 | 80.27 | 318 | 21497 |
| Ottukulama | city | North Western Province | Sri Lanka | 8.03 | 80.30 | 301 | 21538 |
| Ottukulama | city | North Western Province | Sri Lanka | 8.02 | 80.25 | 305 | 21180 |
| Ottukulama | city | North Western Province | Sri Lanka | 7.93 | 80.12 | 229 | 14399 |
| Ottupillama | city | North Western Province | Sri Lanka | 7.60 | 79.95 | 68 | 37476 |
| Oture | city | Southern Province | Sri Lanka | 6.08 | 80.68 | 492 | 69029 |
| Otuwela | city | North Western Province | Sri Lanka | 7.63 | 80.38 | 495 | 32608 |
| Ovilikanda | city | Southern Province | Sri Lanka | 7.45 | 80.57 | 2270 | 96767 |
| Ovilla | city | Southern Province | Sri Lanka | 7.45 | 80.58 | 2086 | 103906 |
| Ovisa | city | Central Province | Sri Lanka | 7.38 | 80.60 | 1945 | 163907 |
| Ovitipana | city | Southern Province | Sri Lanka | 7.53 | 80.60 | 2998 | 77269 |
| Owala | city | Province of Sabaragamuwa | Sri Lanka | 6.70 | 80.48 | 521 | 48917 |
| Owala | city | Central Province | Sri Lanka | 7.52 | 80.65 | 1374 | 71769 |
| Owala | city | Central Province | Sri Lanka | 7.27 | 80.57 | 1948 | 194663 |
| Owala Kudabage | city | Province of Sabaragamuwa | Sri Lanka | 6.70 | 80.48 | 521 | 48917 |
| Owala Mahabage | city | Province of Sabaragamuwa | Sri Lanka | 6.70 | 80.48 | 521 | 48917 |
| Owalapolwatta | city | Central Province | Sri Lanka | 7.53 | 80.63 | 1361 | 75884 |
| Owatta | city | Province of Sabaragamuwa | Sri Lanka | 7.30 | 80.38 | 469 | 79713 |
| Owatta | city | Province of Sabaragamuwa | Sri Lanka | 7.25 | 80.47 | 944 | 125604 |
| Owattewela | city | North Western Province | Sri Lanka | 7.43 | 80.47 | 551 | 59089 |
| Owatura | city | Province of Sabaragamuwa | Sri Lanka | 6.58 | 80.78 | 610 | 27230 |
| Owilana | city | Southern Province | Sri Lanka | 6.02 | 80.73 | 118 | 62876 |
| Owilikanda | city | Southern Province | Sri Lanka | 7.45 | 80.57 | 2270 | 96767 |
| Owilla | city | Southern Province | Sri Lanka | 7.45 | 80.58 | 2086 | 103906 |
| Owisa | city | Central Province | Sri Lanka | 7.38 | 80.60 | 1945 | 163907 |
| Owitigala | city | Western Province | Sri Lanka | 6.50 | 80.12 | 436 | 65755 |
| Owitigama | city | Western Province | Sri Lanka | 6.97 | 80.12 | 49 | 350139 |
| Owitigama | city | Western Province | Sri Lanka | 6.83 | 80.03 | 416 | 299885 |
| Owitigamuwa | city | Province of Sabaragamuwa | Sri Lanka | 7.13 | 80.38 | 980 | 67943 |
| Owitigamuwa | city | Southern Province | Sri Lanka | 6.07 | 80.60 | 337 | 75255 |
| Owitipana | city | Southern Province | Sri Lanka | 7.53 | 80.60 | 2998 | 77269 |
| Owitiwara | city | Province of Sabaragamuwa | Sri Lanka | 7.30 | 80.37 | 469 | 79935 |
| Owitiyagala | city | Western Province | Sri Lanka | 6.73 | 80.05 | 301 | 72896 |
| Oyatenna | city | Central Province | Sri Lanka | 7.35 | 80.92 | 1112 | 17630 |
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