| Muštová | 831 02 | Postcode Mustova (street) » Bratislava » Slovakia |  |
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| Mužla | 943 52 | Postcode Muzla » Nove Zamky » Slovakia | | |
| Mydlárska | 010 01 | Postcode Mydlarska (street) » Zilina » Slovakia | | |
| Myjava | 907 01 | Postcode Myjava » Slovakia | | |
| Myjava | 907 01 | Postcode Myjava » Myjava » Slovakia | | |
| Myjavská | 811 03 | Postcode Myjavska (street) » Bratislava » Slovakia | | |
| Myslava | 040 16 | Postcode Myslava » Kosice II » Slovakia | | |
| Myslavská | 040 16 | Postcode Myslavska (street) » Kosice » Slovakia | | |
| Myslenice | 902 03 | Postcode Myslenice » Pezinok » Slovakia | | |
| Myslenická | 902 01 | Postcode Myslenicka (street) » Pezinok » Slovakia | | |
| Myslenická | 902 03 | Postcode Myslenicka (street) » Pezinok » Slovakia | | |
| Myslina | 066 01 | Postcode Myslina » Humenne » Slovakia | | |
| Máchova | 821 06 | Postcode Machova (street) » Bratislava » Slovakia | | |
| Máj. povst. čes. ľud | 977 03 | Postcode Maj. povst. ces. lud (street) » Brezno » Slovakia | | |
| Máj. povst. čes. ľud | 052 01 | Postcode Maj. povst. ces. lud (street) » Spisska Nova Ves » Slovakia | | |
| Májkova | 811 07 | Postcode Majkova (street) » Bratislava » Slovakia | | |
| Májová | 851 01 | Postcode Majova (street) » Bratislava » Slovakia | | |
| Májová | 022 01 | Postcode Majova (street) » Cadca » Slovakia | | |
| Májová | 040 01 | Postcode Majova (street) » Kosice » Slovakia | | |
| Májové nám. | 080 01 | Postcode Majove nam. (street) » Presov » Slovakia | | |
| Málaš | 935 67 | Postcode Malas » Levice » Slovakia | | |
| Málinec | 985 26 | Postcode Malinec » Poltar » Slovakia | | |
| Mánesova | 040 01 | Postcode Manesova (street) » Kosice » Slovakia | | |
| Mánesovo námestie | 851 01 | Postcode Manesovo namestie (street) » Bratislava » Slovakia | | |
| Márie Medveďovej | 851 04 | Postcode Marie Medvedovej (street) » Bratislava » Slovakia | | |
