The title "Duke of Strathearn" is a Scottish noble title that was created in 1457. It is associated with the region of Strathearn in central Scotland, which is known for its rich history and beautiful landscapes. The title has been held by various members of the Scottish nobility over the centuries, often linked to the royal family. The current holder of the title is Prince William, who was granted the title in 2011. The Duke of Strathearn is one of several titles held by Prince William, including the titles of Duke of Cambridge and Earl of Strathearn. The title reflects the historical significance of the Scottish nobility and their connection to the monarchy.