NOCs at the 500 BCE Ancient Olympics
NOCs in green participated. The darker, the more participants. World map is not historically correct.
| Country | Men | Women | Total | |
|---|---|---|---|---|
 APL |
Apollonia | 1 | 0 | 1 |
 ATH |
Athens | 1 | 0 | 1 |
 KKY |
Korkyra | 1 | 0 | 1 |
 MAN |
Manteneia | 1 | 0 | 1 |
 OPS |
Opous | 1 | 0 | 1 |
 SPA |
Sparta | 1 | 0 | 1 |
 THL |
Thessaly | 1 | 0 | 1 |
| Total | 7 | 0 | 7 |