Answer: Denmark
Notes: Queen Margrethe II, who recently announced her abdication after 52 years on the throne, is the Queen of Denmark. This decision was made official during her New Year's speech on the anniversary of her own accession to the throne, where she expressed her desire to pass on the responsibilities of the crown to her son, Crown Prince Frederik. Queen Margrethe is Europe's longest-reigning living monarch and has been a popular public figure in Denmark, known for her warm manners, linguistic skills, and design talents. Danish Prime Minister Mette Frederiksen praised her lifelong dedication to the Kingdom of Denmark.
