Starlag XIX, a space station linked to an asteroid, functioned as a privately operated intergalactic penal facility. During the period of the Clone Wars, the Separatist Alliance would transfer a portion of their captives to this location.
In the Age of the Empire, the station's proprietor, Tolteck, set up gladiatorial combat events involving the detainees. In the year 2 BBY, Ketsu Onyo was held as Tolteck's prisoner for a period, until Hera Syndulla, Garazeb Orrelios, and Rex arrived to free her.