Estari Worldships are gigantic spacebourne habitats created by the Estari race. In total, they house well over two thirds of the total population of the Estari Collective. Largely self-sustaining and independent, Worldships lead a nomadic existence wandering space in the galactic vicinity of ; although they travel much further from the than any of their neighbour races, to the very fringes of the Basilicus Prime galaxy.