| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Saddam Hussein Village | city | Eastern | Sri Lanka | 7.78 | 81.61 | 36 | 29062 |
| Sagamam | city | Eastern | Sri Lanka | 7.13 | 81.80 | 223 | 13196 |
| Saintamaruthu | city | Eastern | Sri Lanka | 7.38 | 81.83 | 6 | 42631 |
| Sakamam | city | Eastern | Sri Lanka | 7.13 | 81.80 | 223 | 13196 |
| Salampakerny | city | Eastern | Sri Lanka | 7.68 | 81.64 | 91 | 24277 |
| Saliyapura | city | Eastern | Sri Lanka | 8.42 | 81.05 | 68 | 13857 |
| Sallipiddi | city | Eastern | Sri Lanka | 7.71 | 81.69 | 6 | 26545 |
| Samagipura | city | Eastern | Sri Lanka | 7.53 | 81.38 | 318 | 14304 |
| Samantiaru | city | Eastern | Sri Lanka | 7.60 | 81.65 | 242 | 22435 |
| Sambaltivu | city | Eastern | Sri Lanka | 8.63 | 81.21 | 3 | 37986 |
| Sammanodai | city | Eastern | Sri Lanka | 7.90 | 81.53 | 6 | 19416 |
| Sammanthurai | city | Eastern | Sri Lanka | 7.36 | 81.80 | 32 | 44256 |
| Sammanturai | city | Eastern | Sri Lanka | 8.49 | 81.12 | 6 | 12365 |
| Sammanturai | city | Eastern | Sri Lanka | 7.36 | 81.80 | 32 | 44256 |
| Sampalchenai | city | Eastern | Sri Lanka | 8.38 | 81.27 | 19 | 13857 |
| Sampaltivu | city | Eastern | Sri Lanka | 8.63 | 81.21 | 3 | 37986 |
| Sampoor | city | Eastern | Sri Lanka | 8.49 | 81.29 | 22 | 7137 |
| Sampur | city | Eastern | Sri Lanka | 8.49 | 81.29 | 22 | 7137 |
| Santhiveli | city | Eastern | Sri Lanka | 7.83 | 81.55 | 62 | 24344 |
| Sathurukondan | city | Eastern | Sri Lanka | 7.74 | 81.67 | 13 | 28040 |
| Seerankamadu | city | Eastern | Sri Lanka | 7.53 | 81.58 | 830 | 20609 |
| Sempadu | city | Eastern | Sri Lanka | 8.63 | 81.22 | 13 | 35327 |
| Senamvali | city | Eastern | Sri Lanka | 8.37 | 81.38 | 3 | 5799 |
| Sengamuwa | city | Eastern | Sri Lanka | 6.89 | 81.77 | 78 | 14086 |
| Sengapadai | city | Eastern | Sri Lanka | 7.30 | 81.77 | 75 | 21709 |
| Serankada | city | Eastern | Sri Lanka | 7.46 | 81.28 | 830 | 14304 |
| Serankade | city | Eastern | Sri Lanka | 7.46 | 81.28 | 830 | 14304 |
| Seruvila | city | Eastern | Sri Lanka | 8.37 | 81.32 | 42 | 12703 |
| Seruvilla | city | Eastern | Sri Lanka | 8.37 | 81.32 | 42 | 12703 |
| Seruwawila | city | Eastern | Sri Lanka | 8.37 | 81.32 | 42 | 12703 |
| Sethukuda | city | Eastern | Sri Lanka | 7.70 | 81.68 | 9 | 29173 |
| Singiliarapattai | city | Eastern | Sri Lanka | 7.28 | 81.60 | 347 | 15171 |
| Singillarapatt | city | Eastern | Sri Lanka | 7.28 | 81.60 | 347 | 15171 |
| Sinhalavadi | city | Eastern | Sri Lanka | 7.71 | 81.69 | 6 | 27821 |
| Sinna Karachchi | city | Eastern | Sri Lanka | 8.80 | 81.09 | 3 | 8187 |
| Sinna Kayankerni | city | Eastern | Sri Lanka | 7.98 | 81.53 | 0 | 10934 |
| Sinna Pulaweli | city | Eastern | Sri Lanka | 7.57 | 81.41 | 298 | 16014 |
| Sinnakinniya | city | Eastern | Sri Lanka | 8.49 | 81.19 | 13 | 16331 |
| Sinnakinniyai | city | Eastern | Sri Lanka | 8.49 | 81.19 | 13 | 16331 |
| Sinnapillumalai | city | Eastern | Sri Lanka | 7.69 | 81.52 | 170 | 23095 |
| Sinnappullumalai | city | Eastern | Sri Lanka | 7.69 | 81.52 | 170 | 23095 |
| Sinnapullumalai | city | Eastern | Sri Lanka | 7.69 | 81.52 | 170 | 23095 |
| Sinnathottam | city | Eastern | Sri Lanka | 7.70 | 81.59 | 118 | 18156 |
| Sittandi | city | Eastern | Sri Lanka | 7.80 | 81.47 | 209 | 23095 |
| Sittandikudi | city | Eastern | Sri Lanka | 7.83 | 81.56 | 45 | 24616 |
| Sittandy | city | Eastern | Sri Lanka | 7.82 | 81.55 | 75 | 25871 |
| Sittandy Colony | city | Eastern | Sri Lanka | 7.82 | 81.56 | 72 | 26349 |
| Siyambalagahamadama | city | Eastern | Sri Lanka | 7.37 | 81.62 | 380 | 14359 |
| Sodayankulam | city | Eastern | Sri Lanka | 7.78 | 81.50 | 167 | 23095 |
| Sodiumkulam | city | Eastern | Sri Lanka | 7.78 | 81.50 | 167 | 23095 |
| Sokampi | city | Eastern | Sri Lanka | 7.68 | 81.55 | 147 | 22954 |
| Soodaikkuda | city | Eastern | Sri Lanka | 8.51 | 81.31 | 36 | 4728 |
| Soodaikuda | city | Eastern | Sri Lanka | 8.51 | 81.31 | 36 | 4728 |
| Sorikalmunai | city | Eastern | Sri Lanka | 7.38 | 81.80 | 22 | 50333 |
| Sorumunai | city | Eastern | Sri Lanka | 7.73 | 81.62 | 59 | 28113 |
| Sorumunai Number 2 | city | Eastern | Sri Lanka | 7.73 | 81.62 | 59 | 28113 |
| Sorumunai Number Two | city | Eastern | Sri Lanka | 7.73 | 81.62 | 59 | 28113 |
| Sri Tissapura | city | Eastern | Sri Lanka | 8.91 | 80.85 | 95 | 12437 |
| Sunkankerni | city | Eastern | Sri Lanka | 7.88 | 81.53 | 13 | 20523 |
| Sunkankerny | city | Eastern | Sri Lanka | 7.88 | 81.53 | 13 | 20523 |
| Sunkankuli | city | Eastern | Sri Lanka | 8.28 | 81.35 | 22 | 15219 |
| Sunkankuli | city | Eastern | Sri Lanka | 8.47 | 81.30 | 19 | 10014 |