Alluded to this last night, but wanted to discuss this a bit cuz why not
The nations of Runeterra that AREN'T the 13 main regions. The ones we know of anyway
They are: The Arbormark, Skaggorn, Rijenland, Nockmirch, Tokogol, Faraj, Kahleek, Kumangra, Camavor and Icathia