"God Save the King" is the national anthem of the United Kingdom, traditionally sung in honor of the reigning monarch. The anthem expresses loyalty and support for the king, asking for divine protection and guidance. It is often played at official events, ceremonies, and public gatherings. The anthem has a long history, dating back to the 18th century, and has been associated with various royal occasions. Its melody is also used in other countries' anthems, including New Zealand and Australia. The lyrics can be adapted to reflect the current monarch, such as King Charles III.