Miercurea Ciuc (; Hungarian: Csíkszereda, ; German: Szeklerburg) 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-Băi / Hargita-fürdő
- Jigodin-Băi / Zsögöd-fürdő, including Jigodin / Csíkzsögöd
Read more about Miercurea Ciuc: Demographics, History, Education, Sports, Main Sights, Pentecost Csíksomlyó Pilgrimage, Politics, Twin Towns — Sister Cities