The "Prince of Asturias" is a title traditionally given to the heir apparent of the Spanish throne. It has been used since the 14th century and signifies the first in line to become the monarch of Spain. The title is often associated with various ceremonial duties and responsibilities within the royal family. Currently, the title is held by Leonor, Princess of Asturias, the eldest daughter of King Felipe VI and Queen Letizia. As the first female heir to the Spanish throne, she represents a modern shift in royal traditions, reflecting changes in societal views on gender and monarchy.