| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sebatzus | city | Sardegna | Italy | 39.32 | 8.73 | 278 | 4398 |
| Seddori | city | Sardegna | Italy | 39.56 | 8.90 | 410 | 10210 |
| Seddori/Sanluri | city | Sardegna | Italy | 39.56 | 8.90 | 410 | 10210 |
| Sedilo | city | Sardegna | Italy | 40.17 | 8.92 | 830 | 2922 |
| Sedini | city | Sardegna | Italy | 40.85 | 8.82 | 830 | 4688 |
| Segariu | city | Sardegna | Italy | 39.56 | 8.98 | 830 | 8146 |
| Selargius | city | Sardegna | Italy | 39.26 | 9.17 | 85 | 91367 |
| Selegas | city | Sardegna | Italy | 39.57 | 9.10 | 830 | 6354 |
| Seltimo San Pietro | city | Sardegna | Italy | 39.29 | 9.19 | 269 | 55481 |
| Semestene | city | Sardegna | Italy | 40.40 | 8.72 | 1669 | 1921 |
| Semèstene/Semestene | city | Sardegna | Italy | 40.40 | 8.72 | 1669 | 1921 |
| Seneghe | city | Sardegna | Italy | 40.08 | 8.60 | 951 | 4398 |
| Senis | city | Sardegna | Italy | 39.83 | 8.94 | 931 | 2651 |
| Sennariolo | city | Sardegna | Italy | 40.22 | 8.55 | 859 | 3162 |
| Sennori | city | Sardegna | Italy | 40.79 | 8.60 | 1148 | 21945 |
| Senorbì | city | Sardegna | Italy | 39.53 | 9.13 | 830 | 7842 |
| Serbariu | city | Sardegna | Italy | 39.16 | 8.54 | 830 | 12668 |
| Serbariu di Sopra | city | Sardegna | Italy | 39.15 | 8.57 | 1669 | 11475 |
| Serdiana | city | Sardegna | Italy | 39.37 | 9.16 | 830 | 10557 |
| Serr'e Morus | city | Sardegna | Italy | 39.12 | 9.52 | 3 | 1992 |
| Serra 'e Mesu | city | Sardegna | Italy | 40.40 | 8.50 | 830 | 3095 |
| Serra ’e Mesu | city | Sardegna | Italy | 40.40 | 8.50 | 830 | 3095 |
| Serramanna | city | Sardegna | Italy | 39.42 | 8.92 | 141 | 11721 |
| Serrenti | city | Sardegna | Italy | 39.49 | 8.98 | 413 | 9412 |
| Serri | city | Sardegna | Italy | 39.70 | 9.14 | 1886 | 4514 |
| Serr’e Morus | city | Sardegna | Italy | 39.12 | 9.52 | 3 | 1992 |
| Sestu | city | Sardegna | Italy | 39.30 | 9.09 | 183 | 60398 |
| Settimo San Pietro | city | Sardegna | Italy | 39.29 | 9.19 | 269 | 55481 |
| Setzu | city | Sardegna | Italy | 39.72 | 8.94 | 830 | 4460 |
| Seui | city | Sardegna | Italy | 39.84 | 9.32 | 2782 | 1171 |
| Seulu/Seulo | city | Sardegna | Italy | 39.87 | 9.24 | 2509 | 1759 |
| Seurgus Donigala | city | Sardegna | Italy | 39.60 | 9.19 | 1669 | 4118 |
| Seurgus Donigala/Siurgus Donigala | city | Sardegna | Italy | 39.60 | 9.19 | 1669 | 4118 |
| Seùlo | city | Sardegna | Italy | 39.87 | 9.24 | 2509 | 1759 |