| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Dadagamuwa | city | Western Province | Sri Lanka | 7.1333333 | 80.05 | 190 | 169545 |
| Dadagomuwa | city | Western Province | Sri Lanka | 7.1333333 | 80.05 | 190 | 169545 |
| Dagona | city | Western Province | Sri Lanka | 7.2166667 | 79.9166667 | 55 | 160535 |
| Dagonna | city | Western Province | Sri Lanka | 7.2166667 | 79.9166667 | 55 | 160535 |
| Dahenpahuwa | city | Western Province | Sri Lanka | 7.2166667 | 80.0833333 | 331 | 169516 |
| Dahinpahuwa | city | Western Province | Sri Lanka | 7.2166667 | 80.0833333 | 331 | 169516 |
| Dalugama | city | Western Province | Sri Lanka | 6.9666667 | 79.9 | 19 | 203107 |
| Dalugangoda | city | Western Province | Sri Lanka | 6.9666667 | 79.9166667 | 32 | 228631 |
| Dalupatgedara | city | Western Province | Sri Lanka | 7.3 | 80.0166667 | 95 | 96346 |
| Dalupotha | city | Western Province | Sri Lanka | 7.2333333 | 79.85 | 16 | 105538 |
| Daluwekotuwa | city | Western Province | Sri Lanka | 7.25 | 79.85 | 16 | 105538 |
| Dambadurai | city | Western Province | Sri Lanka | 7.1166667 | 79.8833333 | 13 | 156693 |
| Dambadure | city | Western Province | Sri Lanka | 7.1166667 | 79.8833333 | 13 | 156693 |
| Dambara | city | Western Province | Sri Lanka | 6.7666667 | 80.1 | 475 | 173551 |
| Dambatuwa | city | Western Province | Sri Lanka | 7.15 | 80.15 | 426 | 127657 |
| Dambore | city | Western Province | Sri Lanka | 6.85 | 80.1666667 | 462 | 236238 |
| Dambutuwa | city | Western Province | Sri Lanka | 7.15 | 80.15 | 426 | 127657 |
| Damingamuwa | city | Western Province | Sri Lanka | 6.6833333 | 80.0166667 | 193 | 88688 |
| Dampe | city | Western Province | Sri Lanka | 6.7666667 | 79.9166667 | 6 | 307220 |
| Dampe | city | Western Province | Sri Lanka | 6.8333333 | 80.05 | 449 | 326053 |
| Dandugama | city | Western Province | Sri Lanka | 7.1 | 79.8833333 | 39 | 156693 |
| Dangalla | city | Western Province | Sri Lanka | 7 | 80.1333333 | 387 | 249480 |
| Danowita | city | Western Province | Sri Lanka | 7.2027778 | 80.1758333 | 518 | 90200 |
| Danvilana | city | Western Province | Sri Lanka | 7.15 | 80.05 | 196 | 169545 |
| Danwattagoda | city | Western Province | Sri Lanka | 6.45 | 80.0333333 | 127 | 68760 |
| Danwattegoda | city | Western Province | Sri Lanka | 6.45 | 80.0333333 | 127 | 68760 |
| Danwilana | city | Western Province | Sri Lanka | 7.15 | 80.05 | 196 | 169545 |
| Dapiligoda | city | Western Province | Sri Lanka | 6.5333333 | 80.1666667 | 501 | 88725 |
| Daraluwa | city | Western Province | Sri Lanka | 7.1166667 | 80 | 91 | 169559 |
| Daranagama | city | Western Province | Sri Lanka | 6.9833333 | 79.9833333 | 95 | 213535 |
| Debahara | city | Western Province | Sri Lanka | 7.1666667 | 80.15 | 462 | 128552 |
| Debehera | city | Western Province | Sri Lanka | 7.1666667 | 80.15 | 462 | 128552 |
| Dedigomuwa | city | Western Province | Sri Lanka | 6.9 | 80.0333333 | 229 | 388255 |
| Dediyawala | city | Western Province | Sri Lanka | 6.6166667 | 79.95 | 6 | 36283 |
| Deenagoda | city | Western Province | Sri Lanka | 6.4833333 | 79.9833333 | 3 | 42245 |
| Degawatta | city | Western Province | Sri Lanka | 6.9666667 | 80.0666667 | 475 | 192362 |
| Dehipitiya | city | Western Province | Sri Lanka | 6.4666667 | 80.2666667 | 452 | 86594 |
| Dehiwala | city | Western Province | Sri Lanka | 6.8513889 | 79.8652778 | 16 | 197753 |
| Dehiwela | city | Western Province | Sri Lanka | 6.8513889 | 79.8652778 | 16 | 197753 |
| Dekatana | city | Western Province | Sri Lanka | 6.9677778 | 80.0502778 | 449 | 192362 |
| Delaturai | city | Western Province | Sri Lanka | 7.0833333 | 79.8666667 | 9 | 83900 |
| Delature | city | Western Province | Sri Lanka | 7.0833333 | 79.8666667 | 9 | 83900 |
| Deldorawatta | city | Western Province | Sri Lanka | 6.6666667 | 80.0166667 | 203 | 88688 |
| Delduwa | city | Western Province | Sri Lanka | 6.65 | 79.95 | 26 | 50070 |
| Delgoda | city | Western Province | Sri Lanka | 6.9833333 | 80.0166667 | 219 | 194609 |
| Delgoda | city | Western Province | Sri Lanka | 6.6166667 | 80.05 | 134 | 88708 |
| Delkada | city | Western Province | Sri Lanka | 6.6833333 | 79.9833333 | 29 | 86930 |
| Delmella | city | Western Province | Sri Lanka | 6.6833333 | 80.2 | 547 | 76082 |
| Delpakadawara | city | Western Province | Sri Lanka | 7.3 | 80 | 62 | 96346 |
| Delpe | city | Western Province | Sri Lanka | 6.55 | 80.1666667 | 501 | 88694 |
| Deltara | city | Western Province | Sri Lanka | 6.7833333 | 79.9166667 | 29 | 307220 |
| Delwagura | city | Western Province | Sri Lanka | 7.2666667 | 80 | 62 | 145770 |
| Delwala | city | Western Province | Sri Lanka | 7.3 | 80.1166667 | 436 | 100692 |
| Demaladuwa | city | Western Province | Sri Lanka | 6.8 | 79.9333333 | 98 | 428641 |
| Demalagama | city | Western Province | Sri Lanka | 6.9833333 | 80.05 | 436 | 192362 |
| Demanhandiya | city | Western Province | Sri Lanka | 7.2333333 | 79.9 | 59 | 150866 |
| Dematadenikanda | city | Western Province | Sri Lanka | 7.1666667 | 80.1333333 | 456 | 128552 |
| Dematagala | city | Western Province | Sri Lanka | 6.9333333 | 79.8666667 | 39 | 186228 |
| Dematagoda | city | Western Province | Sri Lanka | 6.9333333 | 79.8666667 | 39 | 186228 |
| Dematahatta | city | Western Province | Sri Lanka | 7.2666667 | 80.1333333 | 889 | 129475 |
| Dematahetta | city | Western Province | Sri Lanka | 7.2666667 | 80.1333333 | 889 | 129475 |
| Depanama | city | Western Province | Sri Lanka | 6.85 | 79.95 | 232 | 448803 |
| Desastra Kalutara | city | Western Province | Sri Lanka | 6.6 | 79.95 | 3 | 36283 |
| Desestara Kalutara | city | Western Province | Sri Lanka | 6.6 | 79.95 | 3 | 36283 |
| Detagoda | city | Western Province | Sri Lanka | 6.65 | 80.0666667 | 278 | 88698 |
| Detgama | city | Western Province | Sri Lanka | 7.2 | 80.05 | 187 | 169531 |
| Dethemulla | city | Western Province | Sri Lanka | 6.9666667 | 80.1 | 305 | 229608 |
| Dethgama | city | Western Province | Sri Lanka | 7.2 | 80.05 | 187 | 169531 |
| Dettara | city | Western Province | Sri Lanka | 6.95 | 80.1166667 | 282 | 321518 |
| Devalapola | city | Western Province | Sri Lanka | 7.1666667 | 80 | 59 | 169531 |
| Dewalapola | city | Western Province | Sri Lanka | 7.1666667 | 80 | 59 | 169531 |
| Dewamottawa | city | Western Province | Sri Lanka | 7.1833333 | 79.9 | 19 | 167429 |
| Dewamulla | city | Western Province | Sri Lanka | 6.6666667 | 80.1 | 223 | 88688 |
| Dibbedda | city | Western Province | Sri Lanka | 6.7 | 79.9166667 | 3 | 66082 |
| Diddeniya | city | Western Province | Sri Lanka | 6.8833333 | 80.1 | 462 | 410266 |
| Digane | city | Western Province | Sri Lanka | 6.5166667 | 80.3 | 764 | 67699 |
| Diganna | city | Western Province | Sri Lanka | 6.5166667 | 80.3 | 764 | 67699 |
| Dinagoda | city | Western Province | Sri Lanka | 6.4833333 | 79.9833333 | 3 | 42245 |
| Dinapamunuwa | city | Western Province | Sri Lanka | 7.0833333 | 80.15 | 495 | 135071 |
| Dippittigoda | city | Western Province | Sri Lanka | 6.9638889 | 79.9022222 | 19 | 203107 |
| Disagewatta | city | Western Province | Sri Lanka | 7.2333333 | 79.9166667 | 32 | 160535 |
| Diulpitiya | city | Western Province | Sri Lanka | 6.85 | 79.8833333 | 52 | 367123 |
| Divulapitiya | city | Western Province | Sri Lanka | 7.2166667 | 80.0155556 | 95 | 169516 |
| Divuldeniya | city | Western Province | Sri Lanka | 7.3 | 80.1 | 331 | 100692 |
| Divulpitiya | city | Western Province | Sri Lanka | 6.85 | 79.8833333 | 52 | 367123 |
| Diwalakada | city | Western Province | Sri Lanka | 6.7 | 80.15 | 505 | 86967 |
| Diwulapitiya | city | Western Province | Sri Lanka | 7.2166667 | 80.0155556 | 95 | 169516 |
| Diwulepitiya | city | Western Province | Sri Lanka | 7.2166667 | 80.0155556 | 95 | 169516 |
| Diyagama | city | Western Province | Sri Lanka | 6.8091667 | 79.9955556 | 291 | 402275 |
| Diyagama | city | Western Province | Sri Lanka | 6.6333333 | 80 | 52 | 88698 |
| Diyagama | city | Western Province | Sri Lanka | 6.6166667 | 80.0166667 | 144 | 87981 |
| Diyagampola | city | Western Province | Sri Lanka | 7.2833333 | 80.0833333 | 318 | 145261 |
| Diyakaduwa | city | Western Province | Sri Lanka | 6.6333333 | 80.15 | 262 | 88446 |
| Diyalagoda | city | Western Province | Sri Lanka | 6.5166667 | 79.9833333 | 22 | 50120 |
| Diyapattugama | city | Western Province | Sri Lanka | 6.4833333 | 80.1833333 | 488 | 88730 |
| Diyawala | city | Western Province | Sri Lanka | 7.0333333 | 80.1166667 | 456 | 173386 |
| Dodampapitiya | city | Western Province | Sri Lanka | 6.4333333 | 80.15 | 528 | 88769 |
| Dodangoda | city | Western Province | Sri Lanka | 6.55 | 80.0166667 | 232 | 84540 |
| Dodangoda | city | Western Province | Sri Lanka | 6.5425 | 80.0444444 | 337 | 88716 |
| Dodangoda East | city | Western Province | Sri Lanka | 6.5333333 | 80.05 | 390 | 88725 |
| Dodangoda West | city | Western Province | Sri Lanka | 6.55 | 80.0166667 | 232 | 84540 |
| Dombagoda | city | Western Province | Sri Lanka | 6.65 | 80.05 | 367 | 88698 |
| Dombawala | city | Western Province | Sri Lanka | 7.1166667 | 79.9833333 | 95 | 169559 |
| Dombawela | city | Western Province | Sri Lanka | 7.1166667 | 79.9833333 | 95 | 169559 |
| Dompe | city | Western Province | Sri Lanka | 6.9522222 | 80.0541667 | 377 | 285287 |
| Dondigoda | city | Western Province | Sri Lanka | 6.4666667 | 79.9833333 | 6 | 42245 |
| Doranagoda | city | Western Province | Sri Lanka | 7.1333333 | 80 | 68 | 169545 |
| Doranediwala | city | Western Province | Sri Lanka | 7.05 | 80.0666667 | 301 | 169576 |
| Doranegoda | city | Western Province | Sri Lanka | 7.1333333 | 80 | 68 | 169545 |
| Dulammahara | city | Western Province | Sri Lanka | 6.8166667 | 79.9333333 | 131 | 428641 |
| Dulanmahara | city | Western Province | Sri Lanka | 6.8166667 | 79.9333333 | 131 | 428641 |
| Dummunegedara | city | Western Province | Sri Lanka | 7.1666667 | 80.1 | 387 | 159094 |
| Dumunegedara | city | Western Province | Sri Lanka | 7.1666667 | 80.1 | 387 | 159094 |
| Dunagaha | city | Western Province | Sri Lanka | 7.2341667 | 79.9755556 | 62 | 166577 |
| Dungalpitiya | city | Western Province | Sri Lanka | 7.1333333 | 79.8333333 | 3 | 52153 |
| Duwa | city | Western Province | Sri Lanka | 7.2 | 79.8166667 | 9 | 53736 |
| Duwagoda | city | Western Province | Sri Lanka | 6.5 | 80.0166667 | 154 | 75043 |
| Duwegama | city | Western Province | Sri Lanka | 6.6166667 | 79.9666667 | 16 | 69215 |
| Duwegoda | city | Western Province | Sri Lanka | 6.5 | 80.0166667 | 154 | 75043 |
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