| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Sleyberg | city | Vlaanderen | Belgium | 50.75 | 5.41 | 324 | 11887 |
| Sleydinge | city | Vlaanderen | Belgium | 51.13 | 3.67 | 13 | 30199 |
| Sleyhaegehoek | city | Vlaanderen | Belgium | 50.96 | 3.05 | 82 | 26640 |
| Sleyperi | city | Babites Novads | Latvia | 56.96 | 23.91 | 39 | 17920 |