Boris, Prince of Turnovo, Duke of Saxony (born 12 October 1997 in Madrid), is the elder son of Kardam, Prince of Turnovo, and the grandson of former Tsar Simeon II of Bulgaria.He is, after the death of his father on 7 April 2015, first in line of succession to the defunct Bulgarian throne.Boris, who has maintained close relations with the Spanish royal family since his father's death, speaks Spanish, English, French and some Bulgarian.
He is an artist, devoted to sculpture, plays the guitar and was educated at the Lycée Français Molière in Villanueva de la Cañada in the vicinity of Madrid.
He chose to complete his baccalaureate studies in Austria.