Miercurea Ciuc (; , , ; ) is the county seat of
Harghita County,
Romania. It lies in the
Székely Land, an ethno-cultural region in eastern
Transylvania, and is situated in the
Olt River valley. The city administers three villages:
- Ciba / Csiba
- Harghita-Bai / Hargita-fürdo
- Jigodin-Bai / Zsögöd-fürdo, including Jigodin / Csíkzsögöd