HRH
HRH is an abbreviation commonly used as a prefix before the name of certain members of a royal family. It stands for "His Royal Highness" or "Her Royal Highness," depending on the gender of the individual. This style of address is typically reserved for princes and princesses, and sometimes for other senior members of a monarchy. The specific individuals who are entitled to be addressed as HRH vary from one monarchy to another and are often defined by royal protocol or established tradition.
The use of "Royal Highness" signifies a particular rank within the royal hierarchy. It distinguishes these individuals