About 500 thousand people in the metro area.

San Juan is a sunny city near the Andes Mountains in western Argentina. It is known for wine, warm weather, and being close to amazing desert landscapes.
You can visit the nearby Valley of the Moon, a desert full of strange rock shapes and real dinosaur fossils. The wide, tidy streets and sunny plazas make it a pleasant place to stroll.
The Valley of the Moon near San Juan is where scientists found some of the oldest dinosaur fossils in the world.
San Juan is one of the sunniest places in Argentina, so grapes grow sweet and people spend lots of time outdoors.