| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Dabarella | city | Southern Province | Sri Lanka | 6.2555556 | 80.8283333 | 419 | 38340 |
| Dadalla | city | Southern Province | Sri Lanka | 6.05 | 80.2 | 3 | 53198 |
| Dadella | city | Southern Province | Sri Lanka | 6.05 | 80.2 | 3 | 53198 |
| Daganapothaha | city | Southern Province | Sri Lanka | 7.9819444 | 80.7258333 | 770 | 22207 |
| Daha-amuna | city | Southern Province | Sri Lanka | 6.1666667 | 80.85 | 173 | 31160 |
| Dalgahakele | city | Southern Province | Sri Lanka | 6.3333333 | 80.05 | 36 | 74243 |
| Daluwakgoda | city | Southern Province | Sri Lanka | 6.1333333 | 80.7 | 505 | 49704 |
| Daluwatumulla | city | Southern Province | Sri Lanka | 6.1833333 | 80.0833333 | 19 | 38555 |
| Dambawatawana | city | Southern Province | Sri Lanka | 7.7666667 | 80.5666667 | 997 | 30960 |
| Dammala | city | Southern Province | Sri Lanka | 6.3 | 80.3833333 | 528 | 91774 |
| Dammanatenna | city | Southern Province | Sri Lanka | 7.6166667 | 80.7333333 | 1423 | 30314 |
| Dammantenna | city | Southern Province | Sri Lanka | 7.6166667 | 80.7333333 | 1423 | 30314 |
| Dammulla | city | Southern Province | Sri Lanka | 6.0666667 | 80.7333333 | 324 | 40271 |
| Dammullegoda | city | Southern Province | Sri Lanka | 6.05 | 80.6333333 | 380 | 82472 |
| Dampahala | city | Southern Province | Sri Lanka | 6.2777778 | 80.6255556 | 967 | 67676 |
| Dampella | city | Southern Province | Sri Lanka | 6.05 | 80.5 | 173 | 89747 |
| Danawala | city | Southern Province | Sri Lanka | 6.4 | 80.3333333 | 505 | 89516 |
| Dandenigama | city | Southern Province | Sri Lanka | 6.2 | 80.85 | 275 | 31160 |
| Dandeniya | city | Southern Province | Sri Lanka | 6 | 80.65 | 216 | 68077 |
| Dandubandiruppa | city | Southern Province | Sri Lanka | 7.85 | 80.6 | 813 | 24044 |
| Dandubediruppa | city | Southern Province | Sri Lanka | 7.85 | 80.6 | 813 | 24044 |
| Dandubendiruppa | city | Southern Province | Sri Lanka | 7.85 | 80.6 | 813 | 24044 |
| Danduwana | city | Southern Province | Sri Lanka | 6.05 | 80.3166667 | 472 | 91888 |
| Dangala | city | Southern Province | Sri Lanka | 6.3 | 80.4166667 | 498 | 91128 |
| Dangedara | city | Southern Province | Sri Lanka | 6.0666667 | 80.2166667 | 95 | 74465 |
| Danketigoda | city | Southern Province | Sri Lanka | 5.9666667 | 80.6333333 | 29 | 68077 |
| Danketiya | city | Southern Province | Sri Lanka | 6.2166667 | 80.1166667 | 196 | 84287 |
| Danketiya | city | Southern Province | Sri Lanka | 6.0333333 | 80.7833333 | 19 | 20589 |
| Dankoluwa | city | Southern Province | Sri Lanka | 6.2166667 | 80.4833333 | 413 | 89965 |
| Dapanagegoda | city | Southern Province | Sri Lanka | 5.9666667 | 80.5666667 | 104 | 78424 |
| Dapane | city | Southern Province | Sri Lanka | 6.3333333 | 80.6666667 | 1971 | 52528 |
| Dapanegegoda | city | Southern Province | Sri Lanka | 5.9666667 | 80.5666667 | 104 | 78424 |
| Daradunyaya | city | Southern Province | Sri Lanka | 6.2833333 | 80.7333333 | 659 | 36160 |
| Daragoda | city | Southern Province | Sri Lanka | 6.05 | 80.1833333 | 0 | 53198 |
| Daramitiara | city | Southern Province | Sri Lanka | 6.2833333 | 80.7 | 416 | 47819 |
| Debarawewa | city | Southern Province | Sri Lanka | 6.2833333 | 81.2666667 | 49 | 30860 |
| Debokkawa | city | Southern Province | Sri Lanka | 6.2258333 | 80.8305556 | 374 | 33339 |
| Dedduwa | city | Southern Province | Sri Lanka | 6.4 | 80.0333333 | 22 | 59355 |
| Dedduwawala | city | Southern Province | Sri Lanka | 6 | 80.7166667 | 82 | 26725 |
| Dedduwawela | city | Southern Province | Sri Lanka | 6 | 80.7166667 | 82 | 26725 |
| Dediyagala | city | Southern Province | Sri Lanka | 6.1666667 | 80.4166667 | 482 | 90258 |
| Deegala | city | Southern Province | Sri Lanka | 6.1666667 | 80.4666667 | 364 | 89805 |
| Deegoda | city | Southern Province | Sri Lanka | 6.0333333 | 80.3833333 | 255 | 87108 |
| Degalla | city | Southern Province | Sri Lanka | 6.1 | 80.1333333 | 6 | 57008 |
| Dehiattawala | city | Southern Province | Sri Lanka | 8.0166667 | 80.7666667 | 620 | 16685 |
| Dehigahahena | city | Southern Province | Sri Lanka | 6.2166667 | 80.6166667 | 1062 | 79210 |
| Dehigahalanda | city | Southern Province | Sri Lanka | 6.1166667 | 81.05 | 9 | 14375 |
| Dehigaspe | city | Southern Province | Sri Lanka | 6.1833333 | 80.4833333 | 370 | 89805 |
| Deiyandara | city | Southern Province | Sri Lanka | 6.15 | 80.6 | 423 | 85104 |
| Delgalla | city | Southern Province | Sri Lanka | 5.95 | 80.6166667 | 9 | 44158 |
| Delkada | city | Southern Province | Sri Lanka | 5.95 | 80.55 | 16 | 47780 |
| Dellawa | city | Southern Province | Sri Lanka | 6.3333333 | 80.45 | 902 | 91128 |
| Dematapassa | city | Southern Province | Sri Lanka | 6.15 | 80.5166667 | 439 | 89733 |
| Dematapitiya | city | Southern Province | Sri Lanka | 6.0666667 | 80.6666667 | 479 | 61958 |
| Dembawatawana | city | Southern Province | Sri Lanka | 7.7666667 | 80.5666667 | 997 | 30960 |
| Deminigoda | city | Southern Province | Sri Lanka | 6.0833333 | 80.15 | 3 | 30664 |
| Denagama | city | Southern Province | Sri Lanka | 6.1 | 80.6333333 | 498 | 81064 |
| Denagama | city | Southern Province | Sri Lanka | 6.1 | 80.65 | 498 | 81064 |
| Denagama East | city | Southern Province | Sri Lanka | 6.1 | 80.65 | 498 | 81064 |
| Denagama West | city | Southern Province | Sri Lanka | 6.1 | 80.6333333 | 498 | 81064 |
| Denagoda | city | Southern Province | Sri Lanka | 6.3166667 | 80.0833333 | 88 | 74243 |
| Denepitiya | city | Southern Province | Sri Lanka | 5.9666667 | 80.45 | 3 | 66064 |
| Denipitiya | city | Southern Province | Sri Lanka | 5.9666667 | 80.45 | 3 | 66064 |
| Deniyakumbura | city | Southern Province | Sri Lanka | 7.4666667 | 80.65 | 1679 | 30521 |
| Deniyaya | city | Southern Province | Sri Lanka | 6.3436111 | 80.5638889 | 1581 | 77846 |
| Deniyegoda | city | Southern Province | Sri Lanka | 6 | 80.7166667 | 82 | 26725 |
| Deniyekumbura | city | Southern Province | Sri Lanka | 7.4666667 | 80.65 | 1679 | 30521 |
| Denuwala | city | Southern Province | Sri Lanka | 5.9666667 | 80.3833333 | 3 | 58126 |
| Depelamulla | city | Southern Province | Sri Lanka | 6.1333333 | 80.85 | 147 | 30867 |
| Derangala | city | Southern Province | Sri Lanka | 6.25 | 80.45 | 511 | 90574 |
| Devaradapola | city | Southern Province | Sri Lanka | 7.7 | 80.6833333 | 1000 | 30307 |
| Devaranmulla | city | Southern Province | Sri Lanka | 7.65 | 80.5833333 | 1322 | 35670 |
| Devatta | city | Southern Province | Sri Lanka | 6.0333333 | 80.25 | 36 | 59158 |
| Devinuwara | city | Southern Province | Sri Lanka | 5.9319444 | 80.6069444 | 0 | 44158 |
| Dewagoda | city | Southern Province | Sri Lanka | 6.2166667 | 80.0666667 | 19 | 54674 |
| Dewagoda | city | Southern Province | Sri Lanka | 6.4166667 | 80.0666667 | 131 | 88408 |
| Dewalagama | city | Southern Province | Sri Lanka | 6.3166667 | 80.4166667 | 839 | 91128 |
| Dewalegama | city | Southern Province | Sri Lanka | 6.3166667 | 80.4166667 | 839 | 91128 |
| Dewalegama | city | Southern Province | Sri Lanka | 6.1333333 | 80.6166667 | 505 | 85104 |
| Dewaradapola | city | Southern Province | Sri Lanka | 7.7 | 80.6833333 | 1000 | 30307 |
| Dewarammula | city | Southern Province | Sri Lanka | 7.65 | 80.5833333 | 1322 | 35670 |
| Dewarammulla | city | Southern Province | Sri Lanka | 7.65 | 80.5833333 | 1322 | 35670 |
| Dewarathepola | city | Southern Province | Sri Lanka | 7.7 | 80.6833333 | 1000 | 30307 |
| Deweddanakanda | city | Southern Province | Sri Lanka | 6.35 | 80.6666667 | 2158 | 50297 |
| Dewundara | city | Southern Province | Sri Lanka | 5.9319444 | 80.6069444 | 0 | 44158 |
| Deyiyandara | city | Southern Province | Sri Lanka | 6.15 | 80.6 | 423 | 85104 |
| Diddenipota | city | Southern Province | Sri Lanka | 6.15 | 80.5666667 | 334 | 89526 |
| Diddenipotha | city | Southern Province | Sri Lanka | 6.15 | 80.5666667 | 334 | 89526 |
| Diganpataha | city | Southern Province | Sri Lanka | 7.9666667 | 80.7166667 | 925 | 22207 |
| Diganpataha | city | Southern Province | Sri Lanka | 7.9819444 | 80.7258333 | 770 | 22207 |
| Digaredda | city | Southern Province | Sri Lanka | 5.9833333 | 80.3666667 | 13 | 49909 |
| Diggala | city | Southern Province | Sri Lanka | 6.35 | 80.1666667 | 337 | 90702 |
| Dikbedda | city | Southern Province | Sri Lanka | 6.0833333 | 80.1666667 | 29 | 53198 |
| Dikbodda | city | Southern Province | Sri Lanka | 6.0833333 | 80.1666667 | 29 | 53198 |
| Dikdeliya | city | Southern Province | Sri Lanka | 6.2 | 80.1166667 | 160 | 71448 |
| Dikgoitanpalata | city | Southern Province | Sri Lanka | 6.3666667 | 80.0833333 | 101 | 80367 |
| Dikkenda-ela | city | Southern Province | Sri Lanka | 7.9666667 | 80.8166667 | 534 | 19006 |
| Dikkumbura | city | Southern Province | Sri Lanka | 6.0166667 | 80.3833333 | 124 | 87108 |
| Dikwala | city | Southern Province | Sri Lanka | 6.1666667 | 80.9166667 | 131 | 31940 |
| Dikwella | city | Southern Province | Sri Lanka | 5.9666667 | 80.6833333 | 6 | 46842 |
| Dikwella North | city | Southern Province | Sri Lanka | 5.9666667 | 80.7 | 22 | 46842 |
| Dikwella South | city | Southern Province | Sri Lanka | 5.9666667 | 80.6833333 | 6 | 46842 |
| Dikwewa | city | Southern Province | Sri Lanka | 6.2247222 | 80.9030556 | 190 | 35480 |
| Dimbulduwa | city | Southern Province | Sri Lanka | 6.2 | 80.0666667 | 9 | 38555 |
| Dimbulgamuwa | city | Southern Province | Sri Lanka | 7.6 | 80.6166667 | 1945 | 31902 |
| Dimbulgoda | city | Southern Province | Sri Lanka | 6.1666667 | 80.8 | 269 | 30878 |
| Dimbulgomuwa | city | Southern Province | Sri Lanka | 7.6 | 80.6166667 | 1945 | 31902 |
| Disawagegama | city | Southern Province | Sri Lanka | 6.2333333 | 80.8666667 | 285 | 34641 |
| Divelhena | city | Southern Province | Sri Lanka | 6.0333333 | 80.3833333 | 255 | 87108 |
| Diviturai | city | Southern Province | Sri Lanka | 6.2166667 | 80.15 | 324 | 92227 |
| Diviture | city | Southern Province | Sri Lanka | 6.2166667 | 80.15 | 324 | 92227 |
| Diwelhena | city | Southern Province | Sri Lanka | 6.0333333 | 80.3833333 | 255 | 87108 |
| Diwilla | city | Southern Province | Sri Lanka | 7.55 | 80.6 | 1820 | 32200 |
| Diwille | city | Southern Province | Sri Lanka | 7.55 | 80.6 | 1820 | 32200 |
| Diwiture | city | Southern Province | Sri Lanka | 6.1666667 | 80.5 | 459 | 89724 |
| Diyadawa | city | Southern Province | Sri Lanka | 6.2166667 | 80.5333333 | 547 | 89740 |
| Diyadwa | city | Southern Province | Sri Lanka | 6.3116667 | 80.5502778 | 997 | 88637 |
| Diyagaha | city | Southern Province | Sri Lanka | 5.9833333 | 80.5666667 | 16 | 78424 |
| Diyagasgoda | city | Southern Province | Sri Lanka | 6.1166667 | 81.0333333 | 13 | 17282 |
| Diyakepilla | city | Southern Province | Sri Lanka | 7.95 | 80.7833333 | 734 | 27075 |
| Diyalape | city | Southern Province | Sri Lanka | 6.1333333 | 80.45 | 485 | 90097 |
| Dodampahala East | city | Southern Province | Sri Lanka | 5.9666667 | 80.7166667 | 0 | 26725 |
| Dodampahala West | city | Southern Province | Sri Lanka | 5.9666667 | 80.7166667 | 0 | 26725 |
| Dodampe | city | Southern Province | Sri Lanka | 6.0166667 | 80.2833333 | 68 | 59158 |
| Dodanduwa | city | Southern Province | Sri Lanka | 6.0966667 | 80.1455556 | 9 | 57008 |
| Dodangoda | city | Southern Province | Sri Lanka | 6.1333333 | 80.1666667 | 141 | 91578 |
| Domanwila | city | Southern Province | Sri Lanka | 6.2 | 80.1 | 101 | 71448 |
| Dombagahawatta | city | Southern Province | Sri Lanka | 6.3666667 | 80.0333333 | 29 | 48682 |
| Dombagoda | city | Southern Province | Sri Lanka | 6.35 | 80.4833333 | 1541 | 78923 |
| Dommanegegoda | city | Southern Province | Sri Lanka | 5.9666667 | 80.3666667 | 0 | 49909 |
| Donanduwa | city | Southern Province | Sri Lanka | 6.0966667 | 80.1455556 | 9 | 57008 |
| Dondra | city | Southern Province | Sri Lanka | 5.9166667 | 80.5833333 | 0 | 47780 |
| Dondra | city | Southern Province | Sri Lanka | 5.9319444 | 80.6069444 | 0 | 44158 |
| Dondra East | city | Southern Province | Sri Lanka | 5.9166667 | 80.5833333 | 0 | 47780 |
| Dondra North | city | Southern Province | Sri Lanka | 5.9333333 | 80.5833333 | 19 | 47780 |
| Dondra West | city | Southern Province | Sri Lanka | 5.9166667 | 80.5833333 | 0 | 47780 |
| Dope | city | Southern Province | Sri Lanka | 6.4166667 | 80.0166667 | 3 | 68760 |
| Doramure | city | Southern Province | Sri Lanka | 5.9833333 | 80.6833333 | 36 | 46842 |
| Dorape | city | Southern Province | Sri Lanka | 6.05 | 80.3 | 416 | 91888 |
| Doremure | city | Southern Province | Sri Lanka | 5.9833333 | 80.6833333 | 36 | 46842 |
| Doremurey | city | Southern Province | Sri Lanka | 5.9833333 | 80.6833333 | 36 | 46842 |
| Dunhenara | city | Southern Province | Sri Lanka | 6.1833333 | 80.8333333 | 226 | 30878 |
| Duwa | city | Southern Province | Sri Lanka | 6.2333333 | 80.0666667 | 42 | 54674 |
| Duwe Pituwala | city | Southern Province | Sri Lanka | 6.25 | 80.1833333 | 459 | 92253 |
| Duwegoda | city | Southern Province | Sri Lanka | 6.4 | 80.0333333 | 22 | 59355 |
| Duwegoda | city | Southern Province | Sri Lanka | 6.15 | 80.1 | 13 | 51574 |
| Duwemodara | city | Southern Province | Sri Lanka | 6.35 | 80.0166667 | 0 | 48682 |
| Duwemodera | city | Southern Province | Sri Lanka | 6.35 | 80.0166667 | 0 | 48682 |
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