After the concept seemed to have faded by the turn of the 20th century, various championships, initially organised by the Hellenic Athletics Federation (known as SEGAS), were held from 1906 to 1912.

Its collapse led to the creation of two new FCA organisations, Athens Football Clubs Association and its Piraeus and Macedonian counterparts.

In late 1926, the Hellenic Football Federation (HFF) was officially formed under the supervision of SEGAS.

As the first championship under the HFF dwindled in income and size, the Federation conceded and the three teams were re–instated in July 1928.

In this period, the P.O.K., primarily Olympiacos, won all but three championships, and all three teams greatly expanded their influence to become the dominant sides, often coming at odds with the HFF.

In the summer of 1959, the regional leagues were unified in a single, round–robin championship, a landmark in the history of Greek football.