This is a pedestrian area around which you can find several Panamanian landmarks. There is also a small marketplace nearby.
Panama City website http://panama-city.cityseekr.com/plaza-cinco-de-mayo/tourist-attractions-sightseeing/venue/391719
Address Avenida Central, Santa Ana, Panama
Coordinates 8°57'12.997" N -79°32'18.32" E