This is the ValueSet that contains all the codes in Códigos de Regiones en Chile (https://hl7chile.cl/fhir/ig/clcore/ValueSet/VSCodigosRegionesCL) and Códigos de Regiones en Chile (https://hl7chile.cl/fhir/ig/clcore/ValueSet/VSCodigosRegionesCL). E.g. what you have to deal with if you get resources containing codes in either of them