The Coat of Arms of Spain features a shield divided into four quadrants. The first and fourth quadrants display the Kingdom of Castile, represented by a castle, while the second quadrant shows the Kingdom of León with a lion. The third quadrant represents the Kingdom of Aragon with red and gold stripes, and the bottom section symbolizes the Kingdom of Navarre with a chain of links. Above the shield is a crown, symbolizing the monarchy. The coat of arms also includes the Pillars of Hercules, which represent the historical connection to the Mediterranean Sea and the Atlantic Ocean, emphasizing Spain's maritime heritage.