| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Σέκουλας | city | Dytiki Ellada | Greece | 37.58 | 21.88 | 403 | 1699 |
| Σέλερο | city | Anatoliki Makedonia kai Thraki | Greece | 41.13 | 24.99 | 72 | 16519 |
| Σέλερον | city | Anatoliki Makedonia kai Thraki | Greece | 41.13 | 24.99 | 72 | 16519 |
| Σέλιανη | city | Sterea Ellada | Greece | 38.80 | 22.11 | 4189 | 1480 |
| Σέλινα | city | Ipeiros | Greece | 39.19 | 21.11 | 1669 | 2293 |
| Σέλινο | city | Anatoliki Makedonia kai Thraki | Greece | 41.07 | 25.07 | 3 | 2240 |
| Σέλινον | city | Anatoliki Makedonia kai Thraki | Greece | 41.07 | 25.07 | 3 | 2240 |
| Σέλλαι | city | Kriti | Greece | 35.32 | 25.72 | 974 | 2044 |
| Σέλλες | city | Kriti | Greece | 35.32 | 25.72 | 974 | 2044 |
| Σέλλια | city | Kriti | Greece | 35.40 | 23.72 | 1669 | 1652 |
| Σέλο | city | Sterea Ellada | Greece | 39.05 | 21.62 | 3704 | 327 |
| Σέλον | city | Sterea Ellada | Greece | 39.05 | 21.62 | 3704 | 327 |
| Σέλτσα | city | Ipeiros | Greece | 40.24 | 20.82 | 2890 | 393 |
| Σέλτσανα | city | Ipeiros | Greece | 39.67 | 20.56 | 879 | 760 |
| Σέλφος | city | Sudhurland | Iceland | 63.94 | -21.00 | 52 | 2949 |
| Σέμαλτη | city | Kentriki Makedonia | Greece | 40.89 | 23.94 | 1236 | 3424 |
| Σέμπρωνας | city | Kriti | Greece | 35.38 | 23.82 | 1830 | 1145 |
| Σέντα | city | Senta | Serbia | 45.93 | 20.08 | 305 | 21018 |
| Σέρβια | city | Dytiki Makedonia | Greece | 40.18 | 22.00 | 2509 | 5383 |
| Σέρβος | city | Peloponnisos | Greece | 37.66 | 21.98 | 3349 | 1248 |
| Σέριφος | city | Notio Aigaio | Greece | 37.15 | 24.50 | 104 | 965 |
| Σέρρα | city | Kentriki Makedonia | Greece | 41.08 | 23.55 | 131 | 28492 |
| Σέρραι | city | Kentriki Makedonia | Greece | 41.08 | 23.55 | 131 | 28492 |
| Σέρρες | city | Kentriki Makedonia | Greece | 41.08 | 23.55 | 131 | 28492 |
| Σέσα | city | Ipeiros | Greece | 39.87 | 20.99 | 4189 | 563 |
| Σέση | city | Ipeiros | Greece | 39.26 | 21.16 | 1108 | 1361 |
| Σέσι | city | Ipeiros | Greece | 39.26 | 21.16 | 1108 | 1361 |
| Σέσι | city | Attiki | Greece | 38.25 | 24.00 | 3 | 1124 |
| Σέσι | city | Peloponnisos | Greece | 37.93 | 23.13 | 255 | 2891 |
| Σέσκλο | city | Thessalia | Greece | 39.35 | 22.83 | 830 | 8487 |
| Σέσκλον | city | Thessalia | Greece | 39.35 | 22.83 | 830 | 8487 |
| Σέστο | city | Trentino-Sudtirol | Italy | 46.70 | 12.36 | 5029 | 2392 |
| Σέτα | city | Sterea Ellada | Greece | 38.53 | 23.92 | 2509 | 1280 |
| Σέτομα | city | Dytiki Makedonia | Greece | 40.57 | 21.27 | 2057 | 13993 |
| Σέφιλντ | city | Sheffield | United Kingdom | 53.37 | -1.50 | 314 | 173068 |
| Σέχοβο | city | Kentriki Makedonia | Greece | 41.12 | 22.51 | 82 | 11626 |
| Σέχοβον | city | Kentriki Makedonia | Greece | 41.12 | 22.51 | 82 | 11626 |