| Serron - Neou Skopou Road | 62124 | Serres | Serres |
| Serron - Nigritas Road | 62125 | Serres | Serres |
| Sevasteias Street | 62125 | Serres | Serres |
| Sidirokastrou Street | 62123 | Serres | Serres |
| Sigis Street | 62124 | Serres | Serres |
| Sinopis Street | 62125 | Serres | Serres |
| Sisyfou Street | 62125 | Serres | Serres |
| Skamandrou Street | 62121 | Serres | Serres |
| Skeva Athanasiou Street | 62500 | Serres | Serres |
| Skoutariou - Neou Skopou Road | 62500 | Serres | Serres |
| Skra Street | 62123 | Serres | Serres |
| Sokratous Street | 62124 | Serres | Serres |
| Solomou Dionysiou Street | 62122, 62123 | Serres | Serres |
| Spartis Street | 62124 | Serres | Serres |
| Spetson Street | 62125 | Serres | Serres |
| Spyridi Dimitriou Street | 62124 | Serres | Serres |
| Stageiron Street | 62124 | Serres | Serres |
| Stamouli Konstantinou Street | 62122 | Serres | Serres |
| Stanitsa Anesti Street | 62500 | Serres | Serres |
| Stanitsa Kyriakou Street | 62500 | Serres | Serres |
| Stavridi Nikolaou Street | 62122 | Serres | Serres |
| Strati Evangelou Street | 62121 | Serres | Serres |
| Stratigeiou Street | 62124 | Serres | Serres |
| Stratigou Dagkli Panagioti Street | 62125 | Serres | Serres |
| Stratigou Makrygianni Ioanni Street | 62124 | Serres | Serres |
| Stratigou Plastira Nikolaou Street | 62121 | Serres | Serres |
| Strymona Street | 62123 | Serres | Serres |
| Syntagmatarchi Davaki Konstantinou Street | 62121 | Serres | Serres |
| Syntagmatarchi Papakyriazi Ioanni Street | 62123 | Serres | Serres |
| Syrou Street | 62125 | Serres | Serres |
| Tagmatarchi Chatzopoulou Ioanni Street | 62125 | Serres | Serres |
| Tagmatarchi Velissariou Ioanni Street | 62125 | Serres | Serres |
| Tagmatarchi Volani Street | 62122 | Serres | Serres |
| Terpsichoris Street | 62122 | Serres | Serres |
| Tertseti Georgiou Street | 62122 | Serres | Serres |
| Thaleias Street | 62122 | Serres | Serres |
| Thasou Street | 62124 | Serres | Serres |
| Themidos Street | 62123 | Serres | Serres |
| Theofanous Dimitriou Street | 62123 | Serres | Serres |
| Theokritou Street | 62122 | Serres | Serres |