Final answer:
The term for a high plateau in Peru and Bolivia encircled by the Andes is Altiplano.
Step-by-step explanation:
The term for a high plateau in Peru and Bolivia encircled by the Andes is Altiplano.
The Altiplano Region is a wide basin between two main Andean mountain ranges, and it has been home to ancient civilizations that date back to early human settlements. This region is characterized by its high elevation and unique physical geography, which includes both the Andes Mountains and coastal deserts.