OG ChampionsOG Varna:Suvorovo (Suvorovo)OG Dobrich:-OG Shumen:Malnia (Kliment) *OG Targovishte:Gerlovo 2016 (Obitel) *OG Ruse:Dunav (Batin) *OG Silistra:Dulovo 2006 (Dulovo)OG Razgrad:Adasport (Ostrovo) *
* - denotes a team, which cannot participate in qualification, as it didn't have at least one active youth team (born 2003-2008) during the season.
Qualifiers
No qualifiers held, Vihar 2020 (Nikolovo), 6th in OG Ruse - iztok; is promoted to Severoiztochna Treta liga.
OG ChampionsOG Veliko Tarnovo:Zemedelets 93 (Kozlovets) *OG Gabrovo:Boruna (Tsareva livada) *OG Pleven:Botev (Tranchovitsa) *OG Lovech:Ozren (Golyam izvor) *OG Vratsa:Iskar 1923 (Roman) *OG Montana:Vihar 23 (Nikolovo) *OG Vidin:Partizani (Makresh) *
* - denotes a team, which cannot participate in qualification, as it didn't have at least one active youth team (born 2003-2008) during the season.
Qualifiers
No qualifiers held, Boruna (Tsareva livada), OG Gabrovo champion; is promoted to Severozapadna Treta liga.
OG ChampionsOG Sofia (stolitsa):Levski Rakovski (Sofia)OG Sofia:Dragoman (Dragoman) *OG Pernik:Druzhba (Meshtitsa) *OG Blagoevgrad:Levski 2008 (Krupnik) *OG Kyustendil:Strumska slava (Tarnovlag *OG Pazardzhik:Chiko Bunara (Byaga)
* - denotes a team, which cannot participate in qualification, as it didn't have at least one active youth team (born 2003-2008) during the season.
Qualifiers
No qualifiers held, Levski Rakovski (Sofia), OG Sofia (stolitsa) champion; is promoted to Yugozapadna Treta liga.
OG ChampionsOG Plovdiv:Spartak 1947 (Plovdiv)OG Haskovo:Lyubimets 2000 (Lyubimets) *MOG Kardzhali/Smolyan:FK Rudozem (Rudozem)OG Stara Zagora:Botev (Galabovo)OG Sliven:Cherveni voyvodi (Sliven) *OG Burgas:Kameno (Kameno) *OG Yambol:Chervena zvezda (Kamenets) *
* - denotes a team, which cannot participate in qualification, as it didn't have at least one active youth team (born 2003-2008) during the season.
Qualifiers
The group has 2 places for promotion.
Three teams apply for participation and fulfil the Treta liga participation criteria: Spartak 1947 (Plovdiv), A OG Plovdiv champion; Vereya (Stara Zagora), 4th in OG Stara Zagora; and FK Sliven (Sliven), 2nd in OG Sliven.
