Noun
koinon (plural koina or koinons)
An association or federation of distinct city-states with shared political institutions and citizenship.
In addition, the koinon financed new building projects at Ilion, for example a new theatre c. 306 and the expansion of the sanctuary and temple of Athena Ilias in the 3rd century, in order to make the city a suitable venue for such a large festival. Source: Internet
The primary purpose of the koinon was to organize the annual Panathenaia festival which was held at the sanctuary of Athena Ilias. Source: Internet
The governing body of the koinon was the synedrion on which each city was represented by two delegates. Source: Internet
This system of equal (rather than proportional) representation ensured that no one city could politically dominate the koinon. Source: Internet