| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Káto Sagkrí | city | Notio Aigaio | Greece | 37.03 | 25.43 | 830 | 5404 |
| Káto Salmeníkos | city | Dytiki Ellada | Greece | 38.27 | 21.94 | 830 | 1985 |
| Káto Samikón | city | Dytiki Ellada | Greece | 37.54 | 21.60 | 91 | 6391 |
| Káto Scholárion | city | Kentriki Makedonia | Greece | 40.43 | 23.03 | 830 | 8658 |
| Káto Siaterlí | city | Thessalia | Greece | 39.27 | 22.47 | 1053 | 2239 |
| Káto Sinoikía | city | Peloponnisos | Greece | 38.00 | 22.48 | 1971 | 2080 |
| Káto Skafidhotí | city | Ipeiros | Greece | 39.26 | 20.64 | 1669 | 4234 |
| Káto Skafidotí | city | Ipeiros | Greece | 39.26 | 20.64 | 1669 | 4234 |
| Káto Soudená | city | Ipeiros | Greece | 39.88 | 20.67 | 2805 | 536 |
| Káto Soudenéïka | city | Dytiki Ellada | Greece | 38.11 | 21.59 | 203 | 9939 |
| Káto Souvála | city | Sterea Ellada | Greece | 38.64 | 22.53 | 2020 | 2302 |
| Káto Soúli | city | Attiki | Greece | 38.16 | 24.02 | 32 | 5385 |
| Káto Soúlion | city | Attiki | Greece | 38.16 | 24.02 | 32 | 5385 |
| Káto Soúnio | city | Attiki | Greece | 37.67 | 24.04 | 3 | 9286 |
| Káto Spátharis | city | Peloponnisos | Greece | 37.75 | 21.88 | 830 | 1624 |
| Káto Spílaio | city | Ionia Nisia | Greece | 39.47 | 19.94 | 830 | 7614 |
| Káto Stalós | city | Kriti | Greece | 35.51 | 23.94 | 3 | 16108 |
| Káto Stavrós | city | Kentriki Makedonia | Greece | 40.66 | 23.70 | 0 | 5526 |
| Káto Stení | city | Sterea Ellada | Greece | 38.57 | 23.83 | 1669 | 149 |
| Káto Strapódhion | city | Attiki | Greece | 36.17 | 22.99 | 416 | 896 |
| Káto Séli | city | Kentriki Makedonia | Greece | 40.55 | 22.03 | 5029 | 5736 |
| Káto Séllai | city | Kriti | Greece | 35.34 | 25.72 | 3 | 1329 |
| Káto Sími | city | Kriti | Greece | 35.05 | 25.49 | 2742 | 2745 |
| Káto Sými | city | Kriti | Greece | 35.05 | 25.49 | 2742 | 2745 |