Mycenae is an archaeological site in Greece, located about 90 km southwest of Athens, in the north-eastern Peloponnese. Dr. Daniel Jackson compared the planet Argos to Mycenae. (SG1: "Brief Candle")
A planet bearing the same name is a member of the Helos Confederacy, and likely derived it's population from the terrestrial city-state. (SG-1: Sacrifice Moon)