Game of Thrones (season 3) is a drama set in a fantasy world.
Game of Thrones is an American fantasy drama television series created by David Benioff and D. B. Weiss . Set on the fictional continents of Westeros and Essos , Game of Thrones has several plot lines and a large ensemble cast . The third season of the fantasy drama television series Game of Thrones premiered in the United States on HBO on March 31 , 2013 , and concluded on June 9 , 2013 . The story takes place in a fictional world , primarily upon a continent called Westeros , with one storyline occurring on another continent to the east known as Essos .