| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sydinge | city | Uppsala | Sweden | 60.10 | 18.10 | 75 | 2139 |
| Sydingösby | city | Uppsala | Sweden | 60.08 | 18.12 | 108 | 2263 |
| Sydingøsby | city | Uppsala | Sweden | 60.08 | 18.12 | 108 | 2263 |
| Sydini | city | Anatoliki Makedonia kai Thraki | Greece | 41.07 | 25.02 | 45 | 3774 |
| Sydiyevo | city | Burgas | Bulgaria | 42.67 | 27.32 | 830 | 5294 |