Aita Mare is a commune in Covasna County, Transylvania, Romania composed of two villages: Aita Mare and Aita Medie (Középajta).
Arcuș is a commune in Covasna County, Transylvania, Romania. Composed of a single village, Arcuș, it became an independent commune when it split from Valea Crișului in 2004. Arcuș previously formed part of the Székely Land region of the historical Transylvania province.

Barcani is a commune in Covasna County, in the geographical region of Transylvania, Romania. It is composed of three villages: Barcani, Lădăuți (Ladóc) and Sărămaș (Szaramás). It also included Valea Mare village before it was split off to form a separate commune in 1999. The commune is situated south of Zagon, in the southeastern part of Covasna County.

Bățani is a commune in Covasna County, Transylvania, Romania. It lies in the Székely Land, an ethno-cultural region in eastern Transylvania.

Belin is a commune in Covasna County, Transylvania, Romania composed of two villages: Belin and Belin-Vale (Bölönpatak).

Bixad is a commune in Covasna County, Transylvania, Romania. Composed of a single village, Bixad, it was joined to Malnaș in 1968. It once again became an independent commune when it split off in 2004. It lies in the Székely Land, an ethno-cultural region in eastern Transylvania.

Bodoc is a commune in Covasna County, Transylvania, Romania composed of three villages: Bodoc, Olteni (Oltszem) and Zălan (Zalán).

Boroșneu Mare is a commune in Covasna County, Transylvania, Romania composed of six villages: Boroșneu Mare, Boroșneu Mic (Kisborosnyó), Dobolii de Sus (Feldoboly), Leț (Lécfalva), Țufalău (Cófalva) and Valea Mică (Kispatak).

Brăduț is a commune in Covasna County, Transylvania, Romania composed of four villages: Brăduț, Doboșeni (Székelyszáldobos), Filia (Erdőfüle), Tălișoara (Olasztelek).

Brateș is a commune in Covasna County, Transylvania, Romania composed of three villages:Brateș Pachia / Páké Telechia / Orbaitelek

Brețcu is a commune in Covasna County, Transylvania, Romania composed of three villages:Brețcu / Bereck Mărtănuș / Kézdimartonos Oituz / Ojtoztelep

Catalina is a commune in Covasna County, Transylvania, Romania, composed of five villages:Catalina / Szentkatolna Hătuica / Hatolyka Imeni / Imecsfalva Mărcușa / Kézdimárkosfalva Mărtineni / Kézdimártonfalva

Cernat is a commune in Covasna County, Transylvania, Romania composed of three villages:Albiș / Kézdialbis Cernat / Csernáton Icafalău / Ikafalva

Chichiș is a commune in Covasna County, Transylvania, Romania, composed of two villages:Băcel / Kökösbácstelek Chichiș / Kökös

Comandău is a commune in Covasna County, Transylvania, Romania. It is composed of a single village, Comandău.

Dalnic is a commune in Covasna County, Transylvania, Romania. Composed of a single village, Dalnic, it became an independent commune when it split from Moacșa in 2004.

Dobârlău is a commune in Covasna County, Transylvania, Romania. It is composed of four villages: Dobârlău, Lunca Mărcușului (Bélmező), Mărcuș (Márkos) and Valea Dobârlăului (Dobollópatak). Ethnic Romanians represent the majority of the population.

Estelnic is a commune in Covasna County, Transylvania, Romania. It became an independent commune when it split from Poian in 2005. The commune is composed of three villages:Cărpinenii / Csángótelep Estelnic / Esztelnek Valea Scurtă / Kurtapatak

Ghelința is a commune in Covasna County, Transylvania, Romania. It is composed of two villages, Ghelința and Harale (Haraly).

Ghidfalău is a commune in Covasna County, Transylvania, Romania composed of four villages:Angheluș / Angyalos Fotoș / Fotosmartonos Ghidfalău / Gidófalva Zoltan / Érfalvazoltán

Hăghig is a commune in Covasna County, Transylvania, Romania composed of two villages:Hăghig Iarăș / Nyáraspatak

Ilieni is a commune located in Covasna County, south-eastern Transylvania, Romania, 7 km south of the county seat Sfântu Gheorghe. The commune is composed of three villages:Dobolii de Jos / Aldoboly Ilieni / Illyefalva Sâncraiu / Sepsiszentkirály

Lemnia is a commune in Covasna County, Transylvania, Romania. The commune is composed of a single village, Lemnia. It also included two other villages until 2004, when they were split off to form Mereni Commune.

Malnaș is a commune in Covasna County, Transylvania Romania composed of three villages:Malnaș Malnaș-Băi / Málnásfürdő Valea Zălanului / Zalánpatak

Mereni is a commune in Covasna County, Transylvania, Romania composed of two villages:Lutoasa / Csomortán Mereni / Kézdialmás

Micfalău is a commune in Covasna County, Transylvania, Romania. It is composed of a single village, Micfalău.

Moacșa is a commune in Covasna County, Transylvania, Romania composed of two villages:Moacșa / Maksa Pădureni / Sepsibesenyő

Ojdula is a commune in Covasna County, Transylvania, Romania composed of two villages:Hilib / Hilib Ojdula

Ozun is a commune in Covasna County, Transylvania, Romania composed of seven villages:Bicfalău / Bikfalva Lisnău / Lisznyó Lisnău-Vale / Lisznyópatak Lunca Ozunului / Vesszőstelep Măgheruș / Sepsimagyarós Ozun Sântionlunca / Szentivánlaborfalva

Poian is a commune in Covasna County, Transylvania, Romania composed of two villages:Belani / Bélafalva Poian / Kézdiszentkereszt

Reci is a commune in Covasna County, Transylvania, Romania composed of four villages:Aninoasa / Egerpatak Bita / Bita Reci Saciova / Szacsva

Sânzieni is a commune in Covasna County, Transylvania, Romania composed of four villages:Cașinu Mic / Kiskászon Petriceni / Kézdikővár Sânzieni / Kézdiszentlélek Valea Seacă / Kézdiszárazpatak

Sita Buzăului is a commune in Covasna County, in the geographical region of Transylvania, Romania. It is composed of four villages: Crasna (Bodzakraszna), Merișor (Almás), Sita Buzăului and Zăbrătău (Zabrató). The commune is situated in the southern part of the county, on the banks of the Buzău River.

Turia is a commune in Covasna County, Transylvania, Romania composed of two villages:Alungeni / Futásfalva Turia / Torja
Vâlcele is a commune in Covasna County, Transylvania, Romania composed of four villages:Araci / Árapatak Ariușd / Erősd Hetea / Hetye Vâlcele
Valea Crișului is a commune in Covasna County, Transylvania, Romania composed of two villages:Calnic / Kálnok Valea Crișului / Sepsikőröspatak

Valea Mare is a commune in Covasna County, Transylvania Romania. It is composed of a single village, Valea Mare, which was part of Barcani Commune before being split off in 1999. The commune is located 21 km southeast from Sfântu Gheorghe, in the valley of the stream Valea Mare (Nagypatak). Its Orthodox church was built in 1793.

Vârghiș is a commune in Covasna County, Transylvania, Romania. It is composed of a single village, Vârghiș.

Zăbala is a commune in Covasna County, Romania. It lies in the Székely Land, an ethno-cultural region in eastern Transylvania.

Zagon is a commune in Covasna County, Transylvania, Romania composed of two villages:Păpăuți / Papolc Zagon / Zágon