Answer: Plaza de Armas is the main square of Santiago, the capital of Chile.
Things one can see or do at Plaza de Armas;
1) Go shopping at the shopping mall
2) Visit the beach closeby
3) Visit the local government office.
4) one can see the metropolitan cathedral of Santiago
5) one can see the central post office building
6) one can see or visit Palacio de la Real Audiencia de Santiago