In the period from 1924 to 1935, the winners of the İzmir League qualified for the former Turkish Football Championship.
In 1937 the first national league in Turkish football was introduced.
The top two placed teams of the İzmir League qualified for the National Division, which took place after the conclusion of the regional leagues each season.
Altay are the most successful club in league history, having won a record 14 championship titles.
The following teams participated in the league regularly for at least a few years: Source: [1] 1 Alliance between Altay, Altınordu, and Yüce.