Carl XVI Gustaf (full name: Carl Gustaf Folke Hubertus, born 30 April 1946) is the reigning King of Sweden

Monarch of Sweden

The monarchy of Sweden is the constitutional monarchy of the Kingdom of Sweden. The present monarch, Carl XVI Gustaf, has reigned since 15 September 1973. He and his immediate family undertake various official, ceremonial and representational duties...

 since 15 September 1973, succeeding his grandfather King Gustaf VI Adolf because his father had predeceased him. He is the only son of the late Prince Gustaf Adolf, Duke of Västerbotten

Prince Gustaf Adolf, Duke of Västerbotten

Prince Gustaf Adolf Oscar Fredrik Arthur Edmund, Duke of Västerbotten was Duke of West Bothnia and the eldest son of Gustaf VI Adolf of Sweden and his first wife Princess Margaret of Connaught...

, and Princess Sibylla of Saxe-Coburg and Gotha

Princess Sibylla of Saxe-Coburg and Gotha

Princess Sibylla of Sweden, Duchess of Västerbotten , was the wife of Prince Gustav Adolf, Duke of Västerbotten, and is the mother of the current King of Sweden, Carl XVI Gustaf.-Early life:She was the daughter of Charles Edward,...

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Unlike many other European monarchs who have extensive styles

Style (manner of address)

A style of office, or honorific, is a legal, official, or recognized title. A style, by tradition or law, precedes a reference to a person who holds a post or political office, and is sometimes used to refer to the office itself. An honorific can also be awarded to an individual in a personal...

, King Carl Gustaf's formal and complete style is simply His Majesty Carl XVI Gustaf, King of Sweden.