About 900 thousand people.

Santo Domingo Este sits just east of the capital across the Ozama River and is one of the most populated parts of Greater Santo Domingo. It blends busy neighborhoods with parks and caves.
Explore the underground caves and blue lagoons of Los Tres Ojos park, and visit the giant lighthouse-shaped Faro a Colon monument.
Los Tres Ojos is a set of beautiful cave lakes with clear blue-green water, hidden below the ground like a secret world.
The Faro a Colon is a huge cross-shaped building that shoots beams of light into the night sky.