 Other theories trace the name to a Roman Legion, the Legio II Augusta, transferred to Deva from Castrum Deva, now Chester ("Deva Victrix") in Britain.János András Vistai assume the name is of old Turkic origin from the name Gyeücsa.Others assert that the name is probably of Slavic origin where "Deva" or "Devín" means "girl" or "maiden".