| Samouil Byway | 13123 | Ilion Attica | Attica |
| Samouil Street | 13123 | Ilion Attica | Attica |
| Santaroza Street | 13231 | Ilion Attica | Attica |
| Santorinis Street | 13122 | Ilion Attica | Attica |
| Sarafi Square | 13121 | Ilion Attica | Attica |
| Sasonos Street | 13123 | Ilion Attica | Attica |
| Scholariou Gennadiou Street | 13121 | Ilion Attica | Attica |
| Seferi Giorgou Street | 13121 | Ilion Attica | Attica |
| Serifou Street | 13123, 13232 | Ilion Attica | Attica |
| Sfakion Street | 13123 | Ilion Attica | Attica |
| Sfaktirias Street | 13123 | Ilion Attica | Attica |
| Sigoniou Street | 13122 | Ilion Attica | Attica |
| Simaioforou Gialopsou Ektora Street | 13123 | Ilion Attica | Attica |
| Sina Street | 13123 | Ilion Attica | Attica |
| Sinani Sp. Street | 13122 | Ilion Attica | Attica |
| Siteias Street | 13122 | Ilion Attica | Attica |
| Skamandrou Street | 13121 | Ilion Attica | Attica |
| Skarimpa Gianni Street | 13123 | Ilion Attica | Attica |
| Skiathou Street | 13121 | Ilion Attica | Attica |
| Skopelou Street | 13122 | Ilion Attica | Attica |
| Skoufa Nikolaou Street | 13121 | Ilion Attica | Attica |
| Skra Street | 13122 | Ilion Attica | Attica |
| Skyrou Street | 13121 | Ilion Attica | Attica |
| Smolika Street | 13123 | Ilion Attica | Attica |
| Sofokleous Street | 13123 | Ilion Attica | Attica |
| Sofouli Themistokli Street | 13123 | Ilion Attica | Attica |
| Solomou Dionysiou Street | 12135, 13121 | Ilion Attica | Attica |
| Solomou Street | 12133, 13121 | Ilion Attica | Attica |
| Souliou Street | 13123 | Ilion Attica | Attica |
| Spartis Street | 13121 | Ilion Attica | Attica |
| Spercheiou Street | 13122 | Ilion Attica | Attica |
| Spetson Street | 13122 | Ilion Attica | Attica |
| Sporadon Street | 13122 | Ilion Attica | Attica |
| Staikoglou St. Street | 13122 | Ilion Attica | Attica |
| Stratigou Chionakou Ilia Street | 13122 | Ilion Attica | Attica |
| Stratigou Makrygianni Ioanni Byway | 13123 | Ilion Attica | Attica |
| Stratigou Makrygianni Ioanni Street | 13123 | Ilion Attica | Attica |
| Stratigou Narsi Street | 13121 | Ilion Attica | Attica |
| Stratigou Sarafi Stefanou Street | 13121 | Ilion Attica | Attica |
| Stratou Georgiou Street | 13123 | Ilion Attica | Attica |