Eastern slope of eastern Andes in southern Colombia (Serranía de los Churumbelos in eastern Caucaâ€"western Caquetá, and eastern Nariñoâ€"western Putumayo border), eastern slope in Ecuador (Sucumbíos south to Zamora-Chinchipe) and almost entire eastern slope in Peru (south to Puno).
 
Population
Estimated population is unknown (2010).
Yellow-throated Tanager (Iridosornis analis) [XC224694]
by Niels Krabbe from San Pedro area, Cuzco, Peru (song)
Yellow-throated Tanager (Iridosornis analis) [XC712819]
by GABRIEL LEITE from Reserva Forestal El Zarza , Provincia de Zamora Chinchipe, Ecuador (song)
Subspecies
No subspecies.
Has been considered to form a superspecies with Purplish-mantled Tanager (Iridosornis porphyrocephalus), and sometimes treated as conspecific. Evidence for treatment as two separate species is weak, and sympatry not proven.