Winner of each group will promote to 2013–14 TFF Second League[2] A playoff series will be played among the best four teams in each group to determine the three more teams to promote.
Bottom three teams in each groups will relegate to 2012–13 Regional Amateur League.
[3] Four teams relegated from 2012–13 TFF Second League: Denizli Belediyespor, Çamlıdere Şekerspor, Ünyespor, Sakaryaspor.
Eleven teams promoted from 2012–13 Turkish Regional Amateur League: Trabzon Düzyurtspor, Yeni Diyarbakırspor, 1930 Bafraspor, Payas Belediyespor 1975, 68 Yeni Aksarayspor, Adliyespor, Kızılcabölükspor, Balçova Belediyespor, Ayvalıkgücü Belediyespor, Çıksalınspor and Tuzlaspor.
[4] Teams continuing from 2012–13 TFF Third League: