Geoagiu is a town in Hunedoara County, Romania, located on the Mureş river at an altitude of 217 metres above sea level. The river with the same name ( Geoagiu) flows in this place into the Mureș. The town has a population of 5,049. It administers ten villages: Aurel Vlaicu (formerly Binținți; Bencenc), Băcâia (Bakonya), Bozeș (Bózes), Cigmău (Csigmó), Gelmar (Gyalmár), Geoagiu-Băi (Feredőgyógy), Homorod (Homoród), Mermezeu-Văleni (Nyírmező), Renghet (Renget) and Văleni (Valény). Geoagiu is situated in the historical region of Transylvania.