乔阿久是罗马尼亚的城镇，位于该国西部穆列什河畔，由胡内多阿拉县负责管辖，面积155.69平方公里，海拔高度217米，主要经济活动是农业和旅游业，2007年人口5,725。

Geoagiu (Hungarian:Algyógy) 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).