Puerto Rico Flag
 
Flag Description:
five equal horizontal bands of red (top and bottom) alternating with white; a blue isosceles triangle based on the hoist side bears a large, white, five-pointed star in the center; the white star symbolizes Puerto Rico; the three sides of the triangle signify the executive, legislative and judicial parts of the government; blue stands for the sky and the coastal waters; red symbolizes the blood shed by warriors, while white represents liberty, victory, and peace design initially influenced by the US flag, but similar to the Cuban flag, with the colors of the bands and triangle reversed
note: design initially influenced by the US flag, but similar to the Cuban flag, with the colors of the bands and triangle reversed

 

 

 

 

Source: CIA The World Factbook