If it's not too late I have a proposal for that Andean area between Zenobia and the Chilean state whose name I can't think of right now.
I couldn't think of a name for it because I'm bad at South American geography and can't eye ball the area well enough to find a native cheif (ala Peru, Chile) or major geographical feature (excepting of course the Andes) to use.
Anyway, a bilingual artificial state created by treaty between Castile, France (or the Chilean state), and Zenobia, it's underdeveloped and has a population deeply divided by geography and distinct linguist/ethnic communities. Various factions and the nation as a whole has been periodically manipulated by greater powers in proxy wars over local mineral resources.
Sorry, some guy took it already.