NOCs at the 400 BCE Ancient Olympics
NOCs in green participated. The darker, the more participants. World map is not historically correct.
| Country | Men | Women | Total | |
|---|---|---|---|---|
 AGS |
Argos | 1 | 0 | 1 |
 ATH |
Athens | 1 | 0 | 1 |
 ELI |
Elis | 2 | 0 | 2 |
 SKS |
Kos | 1 | 0 | 1 |
 LEP |
Lepreon | 1 | 0 | 1 |
 MAI |
Mainalos | 1 | 0 | 1 |
 PRH |
Parrhasia | 1 | 0 | 1 |
 TRZ |
Troizen | 1 | 0 | 1 |
| Total | 9 | 0 | 9 |