Geoagiu-Băi is a village belonging to the city of Geoagiu in Hunedoara County, Transylvania, Romania. In Roman times, the Geoagiu Baths were known as `Thermae Germisara` or `Germisara cum thermis`. The Roman thermal baths Germisara are preserved in almost the same shape as in antiquity, being built in the current locality Geoagiu Băi, in a circular promontory with a diameter of 90-95 m.