| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sacele | city | Constanta | Romania | 44.48 | 28.65 | 190 | 478 |
| Sahman | city | Constanta | Romania | 44.37 | 28.63 | 68 | 18548 |
| Saidia | city | Constanta | Romania | 44.20 | 28.12 | 75 | 973 |
| Saligny | city | Constanta | Romania | 44.28 | 28.08 | 49 | 3353 |
| Sanatoriu Agigea | city | Constanta | Romania | 44.05 | 28.60 | 3 | 19965 |
| Saragea | city | Constanta | Romania | 44.48 | 28.25 | 311 | 1046 |
| Sarai | city | Constanta | Romania | 44.72 | 28.15 | 104 | 1674 |
| Saraiu | city | Constanta | Romania | 44.72 | 28.15 | 104 | 1674 |
| Saraiul | city | Constanta | Romania | 44.72 | 28.15 | 104 | 1674 |
| Sarighial | city | Constanta | Romania | 43.80 | 28.42 | 134 | 2755 |
| Sarighiol | city | Constanta | Romania | 43.80 | 28.42 | 134 | 2755 |
| Sarighoil | city | Constanta | Romania | 43.80 | 28.42 | 134 | 2755 |
| Satischioi | city | Constanta | Romania | 44.53 | 28.23 | 206 | 1341 |
| Satu Nou | city | Constanta | Romania | 44.27 | 28.22 | 19 | 7319 |
| Satu Nou | city | Constanta | Romania | 44.17 | 27.60 | 36 | 1673 |
| Satu Nou Ostrov | city | Constanta | Romania | 44.17 | 27.60 | 36 | 1673 |
| Satul-Nou | city | Constanta | Romania | 44.17 | 27.60 | 36 | 1673 |
| Satul-Nou | city | Constanta | Romania | 44.27 | 28.22 | 19 | 7319 |
| Schender | city | Constanta | Romania | 43.97 | 28.00 | 830 | 1147 |
| Schitu | city | Constanta | Romania | 43.93 | 28.62 | 147 | 5780 |
| Schitul | city | Constanta | Romania | 43.93 | 28.62 | 147 | 5780 |
| Seimeni | city | Constanta | Romania | 44.38 | 28.07 | 39 | 3276 |
| Seimeni-Mari | city | Constanta | Romania | 44.38 | 28.07 | 39 | 3276 |
| Seimeni-Mici | city | Constanta | Romania | 44.37 | 28.07 | 104 | 3707 |
| Seimenii Mari | city | Constanta | Romania | 44.38 | 28.07 | 39 | 3276 |
| Seimenii Mici | city | Constanta | Romania | 44.37 | 28.07 | 104 | 3707 |
| Seremet | city | Constanta | Romania | 44.50 | 28.48 | 167 | 1356 |
| Sibioara | city | Constanta | Romania | 44.37 | 28.55 | 16 | 6890 |
| Siliştea | city | Constanta | Romania | 44.40 | 28.17 | 114 | 473 |
| Siminoc | city | Constanta | Romania | 44.17 | 28.35 | 239 | 22840 |
| Siminocu | city | Constanta | Romania | 44.17 | 28.35 | 239 | 22840 |
| Siminocul | city | Constanta | Romania | 44.17 | 28.35 | 239 | 22840 |
| Sinoe | city | Constanta | Romania | 44.63 | 28.73 | 29 | 2266 |
| Sipotele | city | Constanta | Romania | 44.05 | 27.97 | 400 | 1964 |
| Siriu | city | Constanta | Romania | 44.63 | 28.18 | 236 | 1226 |
| Siriul | city | Constanta | Romania | 44.63 | 28.18 | 236 | 1226 |
| Slava Cercheza | city | Constanta | Romania | 44.40 | 28.55 | 26 | 3804 |
| Sofular | city | Constanta | Romania | 43.98 | 28.23 | 308 | 1766 |
| Sohman | city | Constanta | Romania | 44.37 | 28.63 | 68 | 18548 |
| Statiunea Zoologica Marina | city | Constanta | Romania | 44.05 | 28.60 | 3 | 19965 |
| Stefan cel Mare | city | Constanta | Romania | 44.30 | 28.08 | 285 | 5160 |
| Stejaru | city | Constanta | Romania | 44.73 | 28.22 | 114 | 1444 |
| Stejarul | city | Constanta | Romania | 44.73 | 28.22 | 114 | 1444 |
| Straja | city | Constanta | Romania | 44.10 | 28.47 | 157 | 6169 |
| Strunga | city | Constanta | Romania | 44.13 | 27.63 | 180 | 1421 |
| Stupina | city | Constanta | Romania | 44.57 | 28.18 | 380 | 1337 |
| Sublocotenent Măndiou | city | Constanta | Romania | 44.63 | 28.18 | 236 | 1226 |