| Sr. No. | City |
|---|---|
| 251 | SIDIROKASTRON |
| 252 | SIFNOS |
| 253 | SITIA |
| 254 | SKALA OROPOS |
| 255 | SKIATHOS |
| 256 | SKOPELOS |
| 257 | SKYROS |
| 258 | SOUDA |
| 259 | SOUFLI |
| 260 | SOURMENA |
| 261 | SPARTI |
| 262 | SPATA |
| 263 | SPETSAI |
| 264 | STAVROUPOLI |
| 265 | STYLIS |
| 266 | SYMI |
| 267 | SYROS |
| 268 | TAVROS |
| 269 | THASOS |
| 270 | THERMI THES/NIKI |
| 271 | THES/NIKI A. TOUMBA |
| 272 | THES/NIKI CHARILAOU |
| 273 | THES/NIKI K.TOUMBA |
| 274 | THESSALONIKI |
| 275 | THESSALONIKI VYZANTIO |