By the time of its formation it included the clubs from the districts of Skopje, Bregalnica, Bitola, Kosovo and Vranje.
[1] The founding general assembly was held on December 18, 1926, in a restaurant Neznani junak in Skopje where the delegates from all of what was known back then as Southern Serbia were present.
[3] The newly formed subassociation will be in charge of supervising the football competition of the around 26 clubs found in the geographical area located southern of Leskovac.
[20] The curiosity is that Gragjanski Skopje, because of having been part in the Yugoslav Championship in the previous season, got direct qualification into the Serbian League, having finished 5th, 10 points behind the winner BSK Belgrade, but only 3 points behind SK Jugoslavija who finished in second place.
After winning in the first round Železničar Niš (2:1), in the second they made an impressive result against Jedinstvo Čačak (9:3, 1:1) however they surprisingly lost against Jugoslavija Jabuka (2:4, 2:4).