Game of Thrones is an American epic fantasy television drama series created for HBO by David Benioff and D. B. Weiss. It is an adaptation of A Song of Ice and Fire, George R. R. Martin's series of fantasy novels, the first of which is entitled A Game of Thrones. Filmed in a Belfast studio and on location elsewhere in Northern Ireland, Malta, Croatia, Iceland, and Morocco, it opened on HBO in the United States on April 17, 2011. The tv series has been resumed for a fourth season, to air in 2014.