| Kozanis Street | 62124 | Serres | Serres |
| Kresnas Street | 62121 | Serres | Serres |
| Kritis Street | 62122 | Serres | Serres |
| Krystalli Kosta Street | 62122 | Serres | Serres |
| Kydonion Street | 62125 | Serres | Serres |
| Kyprou Street | 62122 | Serres | Serres |
| Kythiron Street | 62125 | Serres | Serres |
| Kyzikou Street | 62121 | Serres | Serres |
| Lachana Street | 62125 | Serres | Serres |
| Lampraki Grigoriou Street | 62121, 62122 | Serres | Serres |
| Lampsakou Street | 62121 | Serres | Serres |
| Lefkados Street | 62125 | Serres | Serres |
| Lesvou Street | 62125 | Serres | Serres |
| Lithis Street | 62122 | Serres | Serres |
| Lomvardou Street | 62123 | Serres | Serres |
| Lordou Vyronos Street | 62125 | Serres | Serres |
| Loupatatzi Anast. Street | 62500 | Serres | Serres |
| Lymperi Street | 62122 | Serres | Serres |
| Lysandrou Street | 62123 | Serres | Serres |
| Magkriotou Lazou Street | 62500 | Serres | Serres |
| Magnisias Street | 62124 | Serres | Serres |
| Maiandrou Street | 62121 | Serres | Serres |
| Makedonikou Agona Street | 62125 | Serres | Serres |
| Makedonomachon Street | 62123, 62125 | Serres | Serres |
| Makestou Street | 62124 | Serres | Serres |
| Maragkoudaki Emmanouil Street | 62122 | Serres | Serres |
| Marathonos Street | 62123 | Serres | Serres |
| Marouli Dimitriou Street | 62122 | Serres | Serres |
| Mavili Lorentzou Street | 62122 | Serres | Serres |
| Mavrogenous Mantous Street | 62121 | Serres | Serres |
| Mavrokordatou Alexandrou Street | 62121 | Serres | Serres |
| Mavromichali Petrompei Street | 62121 | Serres | Serres |
| Megalou Alexandrou Street | 62500 | Serres | Serres |
| Megalou Alexandrou Street | 62122, 62124 | Serres | Serres |
| Mela Pavlou Street | 62123 | Serres | Serres |
| Menelaou Street | 62122 | Serres | Serres |
| Mesolongiou Street | 62124 | Serres | Serres |
| Miaouli Andrea Street | 62121 | Serres | Serres |
| Michalopoulou Ioanni Street | 62500 | Serres | Serres |
| Mikras Asias Street | 62124 | Serres | Serres |