What does the symbol in Spain's flag mean?

Spain's flag was officially adopted on December 19, 1981. The Spanish coat of arms depicts two crown-topped pillars of Hercules (with red banners displaying the motto in Latin, "PLUS ULTRA," meaning "More Beyond," alluding to Columbus' discovery of the New World). read more

The red and yellow colors contained in the Spanish flag represent the colors of the original Spanish kingdoms. The Spanish flag also contains a coat of arms containing the Pillars of Hercules, which are meant to represent Gibraltar and Cueta. read more

Spain Flag flag colors: red,yellow description: The curent version of the flag of Spain was adopted on October 5, 1981 and it has the proportion 2:3. The spanish flag has three horizontal stripes: red, yellow and red. The yellow stripe is twice the size of each red stripe. In the middle of the yellow band there is the coat of arms of Spain. read more

I guess you’re refering to the “coat of arms of Spain” Coat of arms of Spain - Wikipedia In that Wikipedia page you can see details about the elements depicted in the coat of arms. read more