| Gate 13 Θύρα 13 | |
|---|---|
 Gate 13 graffiti at the Leoforos Alexandras Stadium | |
| Nickname | Gate 13 |
| Abbreviation | G13 |
| Established | 1966 |
| Type | Supporters' group Ultras group |
| Team | Panathinaikos A.O. |
| Motto | Panathinaikos means combative soul |
| Location | Athens, Greece |
| Arena | |
| Colors | Green, white |
| Website | gate13.gr/ |
Gate 13 (Greek: Θύρα 13), is the name of the ultras group of the Greek multi-sports club Panathinaikos A.O. Officially founded on November 19, 1966, Gate 13 is the oldest supporters' union in Greece. Gate 13 is one of the most powerful ultras group in Europe and has members from all over Greece and Europe, while over the years it has become a part of the club by affecting club decisions and by following the club on all possible occasions.