Miercurea Ciuc (Romanian pronunciation: [ˈmjerkure̯a t͡ʃjuk]; Hungarian: Csíkszereda, Hungarian pronunciation: [ˈt͡ʃiːksɛrɛdɒ]; German: Szeklerburg) is the county seat of Harghita County, Romania. It lies in the Székely Land, a mainly Hungarian-speaking 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