Participants of the 20th Junior Balkan Mathematical Olympiad
| Balkan countries | ||
 | ALB | |
 | BIH | |
 | BGR | |
 | CYP | |
 | HEL | |
 | MKD | |
 | MDA | |
 | MNE | |
 | SRB | |
 | TUR | |
 | ROU | |
| Guest countries | ||
 | KAZ | |
 | IDN | |
 | TKM | |
 | SAU | |
 | PHI | |
 | FRA | |
 | AZE | |
 | TJK | |
 | ROU B | |
 | ALT | |
| Balkan countries | ||
| ALB | |
| BIH | |
| BGR | |
| CYP | |
| HEL | |
| MKD | |
| MDA | |
| MNE | |
| SRB | |
| TUR | |
| ROU | |
| Guest countries | ||
| KAZ | |
| IDN | |
| TKM | |
| SAU | |
| PHI | |
| FRA | |
| AZE | |
| TJK | |
| ROU B | |
| ALT | |