- Bicfal?u / Bikfalva
- Lisn?u / Lisznyó
- Lisn?u-Vale / Lisznyópatak
- Lunca Ozunului / Vessz?stelep
- M?gheru? / Sepsimagyarós
- Sântionlunca / Szentivánlaborfalva
The commune has an absolute Székely Hungarian majority. According to the 2002 Census it has a population of 4,575 of which 88.11% or 4,031 are Hungarian.
It formed part of the Székely Land region of the historical Transylvania province. Until 1918, the village belonged to the Háromszék County of the Kingdom of Hungary. After the Treaty of Trianon of 1920, it became part of Romania.
ro:Comuna Ozun, Covasna