The 3rd Serres Revolutionary Okrug (Macedonian: 3-ти Серски револуционерен округ) was a rebel group part of the Internal Macedonian Revolutionary Organization. The most famous leader of the group was Jane Ivanov Sandanski. This rebel group was active in Aegean Macedonia and Pirin Macedonia with headquarters in Serres.
| 3rd Serres Revolutionary Okrug | |
|---|---|
| 3-ти Серски револуционерен округ | |
| Leaders | Jane Ivanov Sandanski |
| Dates of operation | established July 1894 |
| Headquarters | Serres |
| Part of | Internal Macedonian Revolutionary Organization |